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wayland/include/figure.h

@@ -13,24 +13,13 @@ enum figure_type
 struct figure_animation_info {
     enum figure_type type;
     struct vec2 position;
-    /* Direction vector; its components are not in pixels. Anim code converts
-     * them to pixel-space and normalizes them so that `speed` is applied as
-     * pixels/sec uniformly in both axes (aspect ratio is accounted for). */
     struct vec2 velocity;
 
     float angle;
     float angular_velocity;
 
-    /* Speed in pixels per second. This value is applied uniformly to both
+
-     * axes (X and Y); the animation code converts this pixel speed to
-     * normalized increments for position updates taking window aspect ratio
-     * into account. */
     float speed;
-    /* Radius of the figure in pixels (float)
-     * This field is used by animation code to check collisions
-     * with the left/right/top/bottom borders. The animation code
-     * will convert this pixel radius to normalized coordinates for
-     * collision checks against normalized positions. */
     float radius;
 };
 

wayland/src/figure-animate.asm

@@ -1,203 +1,613 @@
+; Макрос для локальных переменных
+%macro local 2
+    %assign __local_offset __local_offset - %2
+    %define %1 (__local_offset)
+%endmacro
+
 ; Подключаем автоматически сгенерированные offsets из C структур
 %include "offsets.inc"
 
+section .rodata
+PI:             dd 3.1415926
+TWO_PI:         dd 6.2831852
+NEG_ONE_CONST:  dd -1.0
+ONE_CONST:      dd 1.0
+ZERO_CONST:     dd 0.0
+ABS_MASK:       dd 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff
+ANG_COLLIDE_COEF: dd 0.55
+ANG_BOOST_FACTOR: dd 0.02
+    ANG_MAX:         dd 0.04
+    ANG_SWITCH_FACTOR: dd 0.1
+    ANG_MAX_DELTA:    dd 0.5
+    ANG_FRICTION:     dd 0.95
+
 section .text
 
-; void animation_step(struct window_draw_info* draw_info);
+; void figure_animation_step(struct window_draw_info* draw_info);
 ; Параметры:
 ;   rdi - указатель на struct window_draw_info
+%assign __local_offset 0
 global figure_animation_step
 figure_animation_step:
-    ; Создаём локальную область на стеке и будем туда копировать поля структуры
     enter 0, 0
-    ; rdi - pointer to struct window_draw_info
-    ; figure is embedded at offset WDI_FIGURE
-    mov rax, rdi
-    add rax, WDI_FIGURE
     
-    ; --- compute movement increments so that `speed` means pixels/second
+    ; Отработка коллизий
-    ; Convert velocity to pixel-space (vx = vel.x * width, vy = vel.y * height),
+    push rdi
-    ; normalize that vector and apply `speed*dt` so movement in pixel units equals speed.
+    call figure_handle_collision
-    ; using SSE for float math
+    pop rdi
-    movss xmm0, dword [rax + FIG_SPEED]    ; xmm0 = speed (pixels/sec)
-    movss xmm9, [rel DT]                   ; xmm9 = dt
-    mulss xmm0, xmm9                       ; xmm0 = speed * dt (pixels)
 
-    ; load width/height
+    ; Вычислить нормализующий коэффициент: 1.0 / height_pixels
-    mov ebx, dword [rdi + WDI_WIDTH]
+    cvtsi2ss xmm4, dword [rdi + WDI_HEIGHT]
-    cvtsi2ss xmm10, ebx                    ; xmm10 = width
+    movss xmm5, [rel ONE_CONST]
-    mov ebx, dword [rdi + WDI_HEIGHT]
+    divss xmm5, xmm4  ; xmm5 = 1.0 / height
-    cvtsi2ss xmm11, ebx                    ; xmm11 = height
 
-    ; vx_pixels = vel.x * width
+    ; Обновить позицию: position += (velocity * speed) / height_pixels
-    movss xmm1, dword [rax + FIG_VELOCITY] ; vel.x
+    ; pos_x += (vel_x * speed) / height
-    mulss xmm1, xmm10                       ; xmm1 = vx_pixels
+    movss xmm0, [rdi + WDI_FIGURE + FIG_VELOCITY]
+    mulss xmm0, [rdi + WDI_FIGURE + FIG_SPEED]
+    mulss xmm0, xmm5  ; нормализовать скорость
+    addss xmm0, [rdi + WDI_FIGURE + FIG_POSITION]
+    movss [rdi + WDI_FIGURE + FIG_POSITION], xmm0
 
-    ; vy_pixels = vel.y * height
+    ; pos_y += (vel_y * speed) / height
-    movss xmm2, dword [rax + FIG_VELOCITY + 4]
+    movss xmm0, [rdi + WDI_FIGURE + FIG_VELOCITY + 4]
-    mulss xmm2, xmm11                       ; xmm2 = vy_pixels
+    mulss xmm0, [rdi + WDI_FIGURE + FIG_SPEED]
+    mulss xmm0, xmm5  ; нормализовать скорость
+    addss xmm0, [rdi + WDI_FIGURE + FIG_POSITION + 4]
+    movss [rdi + WDI_FIGURE + FIG_POSITION + 4], xmm0
 
-    ; length = sqrt(vx^2 + vy^2)
+    ; Обновить угол: angle += angular_velocity * speed
-    movss xmm3, xmm1
+    movss xmm0, [rdi + WDI_FIGURE + FIG_ANG_VEL]
-    mulss xmm3, xmm1                        ; xmm3 = vx^2
+    mulss xmm0, [rdi + WDI_FIGURE + FIG_SPEED]
-    movss xmm4, xmm2
+    addss xmm0, [rdi + WDI_FIGURE + FIG_ANGLE]
-    mulss xmm4, xmm4                        ; xmm4 = vy^2
+    movss [rdi + WDI_FIGURE + FIG_ANGLE], xmm0
-    addss xmm3, xmm4                        ; xmm3 = vx^2 + vy^2
-    sqrtss xmm3, xmm3                       ; xmm3 = length (pixels)
 
-    ; if length == 0 -> skip movement
+    ; Apply angular friction to slow down rotation over time
-    ucomiss xmm3, [rel ZERO_CONST]
+    movss xmm0, [rdi + WDI_FIGURE + FIG_ANG_VEL]
-    je .skip_move
+    mulss xmm0, [rel ANG_FRICTION]
+    movss [rdi + WDI_FIGURE + FIG_ANG_VEL], xmm0
 
-    ; scalar = (speed * dt) / length
+    leave
-    movss xmm4, xmm0                        ; xmm4 = speed*dt
+    ret
-    divss xmm4, xmm3                        ; xmm4 = scalar
 
-    ; dx = vel.x * scalar
+; Функция для обработки коллизии, изменяет velocity при обнаружении коллизии с границами
-    movss xmm1, dword [rax + FIG_VELOCITY]
+; Параметры:
+;   rdi - указатель на struct window_draw_info
+%assign __local_offset 0
+figure_handle_collision:
+    enter 128,0
+
+    local point_buffer, 128
+
+    ; Сохранить регистры
+    push r12
+    push r13
+    push r14
+    push r15
+
+    mov r12, rdi
+
+    ; Нормализовать радиус: radius_normalized = radius_pixels / height_pixels
+    movss xmm3, [r12 + WDI_FIGURE + FIG_RADIUS]
+    cvtsi2ss xmm4, dword [r12 + WDI_HEIGHT]
+    divss xmm3, xmm4
+
+    ; Вызов place_points_on_circle
+    movss xmm0, [r12 + WDI_FIGURE + FIG_POSITION]
+    movss xmm1, [r12 + WDI_FIGURE + FIG_POSITION + 4]
+    movss xmm2, [r12 + WDI_FIGURE + FIG_ANGLE]  ; смещение угла = 0
+    mulss xmm2, [rel NEG_ONE_CONST]
+
+    ; Установка правильного количества точек
+    mov eax, dword [r12 + WDI_FIGURE + FIG_TYPE]
+    cmp eax, 1                ; FIGURE_TRIANGLE
+    je .figure_triangle
+    cmp eax, 2                ; FIGURE_SQUARE
+    je .figure_square
+    ; default (FIGURE_CIRCLE and others): 16 points
+    mov rsi, 16
+    jmp .figure_points_done
+.figure_triangle:
+    mov rsi, 3
+    jmp .figure_points_done
+.figure_square:
+    mov rsi, 4
+.figure_points_done:
+
+    lea rdi, [rbp + point_buffer]
+    call place_points_on_circle
+
+    ; Вычислить canvas_width = width_pixels / height_pixels
+    cvtsi2ss xmm0, dword [r12 + WDI_WIDTH]
+    cvtsi2ss xmm1, dword [r12 + WDI_HEIGHT]
+    divss xmm0, xmm1
+    movss xmm14, xmm0  ; сохраняем canvas_width в xmm14
+    movss xmm13, [rel ONE_CONST]  ; canvas_height = 1.0 в xmm13
+
+    ; Инициализация: r14 = маска коллизий (OR всех точек), r15 = указатель на текущую точку
+    xor r14, r14
+    lea r15, [rbp + point_buffer]
+    mov rcx, rsi
+
+.point_check:
+    ; Загрузить координаты точки
+    movss xmm2, [r15]      ; x
+    movss xmm3, [r15 + 4]  ; y
+
+    ; Вызвать check_collision_mask(canvas_width, canvas_height, x, y)
+    movss xmm0, xmm14      ; width
+    movss xmm1, xmm13      ; height = 1.0
+    push rcx
+    call check_collision_mask
+    pop rcx
+
+    ; Объединить маску коллизий
+    or r14, rax
+
+    ; Перейти к следующей точке
+    add r15, 8
+    loop .point_check
+
+    ; Проверить, были ли коллизии
+    test r14, r14
+    jz .no_collision
+
+    ; -----------------------
+    ; Обновить угловую скорость при коллизии
+    ; Формула: delta = |relevant_velocity| * speed * ANG_COLLIDE_COEF
+    ; Знак delta зависит от границы и направления движения.
+    ; Если итоговое направление совпадает с текущим - даём небольшой буст.
+    ; -----------------------
+
+    ; Сохраняем старую угловую скорость и обнуляем суммарный эффект
+    movss xmm6, [r12 + WDI_FIGURE + FIG_ANG_VEL]  ; old ang vel
+    xorps xmm7, xmm7                              ; total delta
+
+    ; LEFT (bit 0): use vertical motion (vel_y)
+    test r14, 0x1
+    jz .skip_left_ang
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY + 4] ; vel_y
+    movss xmm1, xmm0
+    ; Broadcast ABS_MASK (0x7fffffff) into xmm2 and AND to get abs
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2                        ; abs(vel_y)
+    mulss xmm1, [r12 + WDI_FIGURE + FIG_SPEED]
+    mulss xmm1, [rel ANG_COLLIDE_COEF]
+    ucomiss xmm0, [rel ZERO_CONST]
+    jb .left_up_ang     ; vel_y < 0 -> moving UP
+    ; moving DOWN -> clockwise (+)
+    addss xmm7, xmm1
+    jmp .skip_left_ang
+.left_up_ang:
+    ; moving UP -> anticlockwise (-)
+    movss xmm2, [rel NEG_ONE_CONST]
+    mulss xmm1, xmm2
+    addss xmm7, xmm1
+.skip_left_ang:
+
+    ; RIGHT (bit 2): use vertical motion (vel_y)
+    test r14, 0x4
+    jz .skip_right_ang
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY + 4] ; vel_y
+    movss xmm1, xmm0
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2
+    mulss xmm1, [r12 + WDI_FIGURE + FIG_SPEED]
+    mulss xmm1, [rel ANG_COLLIDE_COEF]
+    ucomiss xmm0, [rel ZERO_CONST]
+    jb .right_up_ang    ; vel_y < 0 -> moving UP
+    ; moving DOWN -> anticlockwise (-)
+    movss xmm2, [rel NEG_ONE_CONST]
+    mulss xmm1, xmm2
+    addss xmm7, xmm1
+    jmp .skip_right_ang
+.right_up_ang:
+    ; moving UP -> clockwise (+)
+    addss xmm7, xmm1
+.skip_right_ang:
+
+    ; TOP (bit 1): use horizontal motion (vel_x)
+    test r14, 0x2
+    jz .skip_top_ang
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY] ; vel_x
+    movss xmm1, xmm0
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2
+    mulss xmm1, [r12 + WDI_FIGURE + FIG_SPEED]
+    mulss xmm1, [rel ANG_COLLIDE_COEF]
+    ucomiss xmm0, [rel ZERO_CONST]
+    ja .top_right_ang   ; vel_x > 0 -> moving RIGHT
+    ; moving LEFT -> clockwise (+)
+    addss xmm7, xmm1
+    jmp .skip_top_ang
+.top_right_ang:
+    ; moving RIGHT -> anticlockwise (-)
+    movss xmm2, [rel NEG_ONE_CONST]
+    mulss xmm1, xmm2
+    addss xmm7, xmm1
+.skip_top_ang:
+
+    ; BOTTOM (bit 3): use horizontal motion (vel_x)
+    test r14, 0x8
+    jz .skip_bottom_ang
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY] ; vel_x
+    movss xmm1, xmm0
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2
+    mulss xmm1, [r12 + WDI_FIGURE + FIG_SPEED]
+    mulss xmm1, [rel ANG_COLLIDE_COEF]
+    ucomiss xmm0, [rel ZERO_CONST]
+    ja .bottom_right_ang ; vel_x > 0 -> moving RIGHT
+    ; moving LEFT -> anticlockwise (-)
+    movss xmm2, [rel NEG_ONE_CONST]
+    mulss xmm1, xmm2
+    addss xmm7, xmm1
+    jmp .skip_bottom_ang
+.bottom_right_ang:
+    ; moving RIGHT -> clockwise (+)
+    addss xmm7, xmm1
+.skip_bottom_ang:
+
+    ; Если суммарный эффект нулевой - ничего не делаем
+    ucomiss xmm7, [rel ZERO_CONST]
+    je .ang_no_change
+
+    ; Invert direction rules to match drawing coordinate system
+    ; (User requested flip — so we reverse sign of computed delta)
+    movss xmm0, [rel NEG_ONE_CONST]
+    mulss xmm7, xmm0
+
+    ; Decide: same direction or switch sign
+    ucomiss xmm6, [rel ZERO_CONST]
+    jb .old_neg_dir
+    ; old >= 0
+    ucomiss xmm7, [rel ZERO_CONST]
+    jae .same_dir
+    jmp .switch_dir
+.old_neg_dir:
+    ; old < 0
+    ucomiss xmm7, [rel ZERO_CONST]
+    jb .same_dir
+    jmp .switch_dir
+
+; If same direction -> boost and add
+.same_dir:
+    mulss xmm7, [rel ANG_BOOST_FACTOR]
+    ; Clamp delta magnitude to ANG_MAX_DELTA
+    movss xmm0, xmm7
+    movss xmm1, xmm0
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2            ; xmm1 = abs(delta)
+    movss xmm3, [rel ANG_MAX_DELTA]
+    ucomiss xmm1, xmm3
+    ja .cap_delta_same
+    jmp .after_cap_same
+.cap_delta_same:
+    ; Set abs(delta) = ANG_MAX_DELTA, preserve sign
+    movss xmm1, [rel ANG_MAX_DELTA]
+    ucomiss xmm0, [rel ZERO_CONST]
+    jae .cap_delta_same_pos
+    movss xmm4, [rel NEG_ONE_CONST]
     mulss xmm1, xmm4
-    movss xmm2, dword [rax + FIG_POSITION] ; position.x
+.cap_delta_same_pos:
-    addss xmm2, xmm1
+    movss xmm7, xmm1
-    movss dword [rax + FIG_POSITION], xmm2
+.after_cap_same:
+    addss xmm6, xmm7
+    jmp .finish_dir_logic
 
-    ; dy = vel.y * scalar
+; Switch sign -> compute new magnitude using old magnitude and delta
-    movss xmm1, dword [rax + FIG_VELOCITY + 4]
+.switch_dir:
-    mulss xmm1, xmm4
+    ; xmm6 = old, xmm7 = delta
-    movss xmm2, dword [rax + FIG_POSITION + 4]
+    ; abs_old = abs(xmm6)
-    addss xmm2, xmm1
+    movss xmm0, xmm6
-    movss dword [rax + FIG_POSITION + 4], xmm2
+    movss xmm1, xmm0
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2          ; xmm1 = abs_old
 
-.skip_move:
+    ; abs_delta = abs(xmm7)
+    movss xmm3, xmm7
+    movss xmm4, xmm3
+    andps xmm4, xmm2          ; xmm4 = abs_delta
+    ; Clamp abs_delta
+    movss xmm5, [rel ANG_MAX_DELTA]
+    ucomiss xmm4, xmm5
+    ja .cap_delta_switch
+    jmp .delta_not_capped
+.cap_delta_switch:
+    movss xmm4, xmm5
+.delta_not_capped:
 
-    ; rotate: angle += angular_velocity * dt
+    ; abs_old *= ANG_SWITCH_FACTOR
-    movss xmm3, dword [rax + FIG_ANG_VEL]
+    movss xmm5, [rel ANG_SWITCH_FACTOR]
-    mulss xmm3, [rel DT]
+    mulss xmm1, xmm5
-    movss xmm4, dword [rax + FIG_ANGLE]
-    addss xmm4, xmm3
-    movss dword [rax + FIG_ANGLE], xmm4
 
-    ; If circle -> call collision check helper
+    ; new_mag = abs_old + abs_delta
-    mov ecx, dword [rax + FIG_TYPE]
+    addss xmm1, xmm4
-    cmp ecx, 0
-    jne .no_collision_check
-    ; pass pointer to window_draw_info (original rdi) in rdi
-    ; rdi already has draw_info pointer
-    call figure_check_collision_circle
 
-.no_collision_check:
+    ; apply sign of delta (xmm7)
+    ucomiss xmm7, [rel ZERO_CONST]
+    jae .switch_positive
+    ; negative
+    movss xmm5, [rel NEG_ONE_CONST]
+    mulss xmm1, xmm5
+    movss xmm6, xmm1
+    jmp .finish_dir_logic
+.switch_positive:
+    movss xmm6, xmm1
+
+.finish_dir_logic:
+    ; Clamp angular velocity: |xmm6| <= ANG_MAX
+    movss xmm0, xmm6
+    movss xmm1, xmm0
+    mov eax, dword [rel ABS_MASK]
+    movd xmm2, eax
+    pshufd xmm2, xmm2, 0x0
+    andps xmm1, xmm2            ; xmm1 = abs(xmm0)
+    movss xmm2, [rel ANG_MAX]
+    ucomiss xmm1, xmm2
+    ja .ang_clamp_needed
+    movss [r12 + WDI_FIGURE + FIG_ANG_VEL], xmm6
+    jmp .ang_no_change2
+.ang_clamp_needed:
+    ; If xmm0 >= 0 -> set +ANG_MAX else set -ANG_MAX
+    ucomiss xmm0, [rel ZERO_CONST]
+    jae .ang_positive_clamp
+    ; negative
+    movss xmm3, [rel ANG_MAX]
+    movss xmm4, [rel NEG_ONE_CONST]
+    mulss xmm3, xmm4
+    movss xmm6, xmm3
+    movss [r12 + WDI_FIGURE + FIG_ANG_VEL], xmm6
+    jmp .ang_no_change2
+.ang_positive_clamp:
+    movss xmm3, [rel ANG_MAX]
+    movss xmm6, xmm3
+    movss [r12 + WDI_FIGURE + FIG_ANG_VEL], xmm6
+.ang_no_change2:
+.ang_no_change:
+
+    ; Обработка коллизий: инвертировать velocity только если движемся к границе
+    
+    ; Проверка left (bit 0): инвертировать velocity.x только если vel.x < 0
+    test r14, 0x1
+    jz .check_right
+    
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY]
+    movss xmm1, [rel ZERO_CONST]
+    ucomiss xmm0, xmm1
+    jae .check_right       ; если vel.x >= 0, пропускаем
+    
+    ; vel.x < 0, инвертируем
+    movss xmm1, [rel NEG_ONE_CONST]
+    mulss xmm0, xmm1
+    movss [r12 + WDI_FIGURE + FIG_VELOCITY], xmm0
+
+.check_right:
+    ; Проверка right (bit 2): инвертировать velocity.x только если vel.x > 0
+    test r14, 0x4
+    jz .check_top
+    
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY]
+    movss xmm1, [rel ZERO_CONST]
+    ucomiss xmm0, xmm1
+    jbe .check_top         ; если vel.x <= 0, пропускаем
+    
+    ; vel.x > 0, инвертируем
+    movss xmm1, [rel NEG_ONE_CONST]
+    mulss xmm0, xmm1
+    movss [r12 + WDI_FIGURE + FIG_VELOCITY], xmm0
+
+.check_top:
+    ; Проверка top (bit 1): инвертировать velocity.y только если vel.y < 0
+    test r14, 0x2
+    jz .check_bottom
+    
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY + 4]
+    movss xmm1, [rel ZERO_CONST]
+    ucomiss xmm0, xmm1
+    jae .check_bottom      ; если vel.y >= 0, пропускаем
+    
+    ; vel.y < 0, инвертируем
+    movss xmm1, [rel NEG_ONE_CONST]
+    mulss xmm0, xmm1
+    movss [r12 + WDI_FIGURE + FIG_VELOCITY + 4], xmm0
+
+.check_bottom:
+    ; Проверка bottom (bit 3): инвертировать velocity.y только если vel.y > 0
+    test r14, 0x8
+    jz .no_collision
+    
+    movss xmm0, [r12 + WDI_FIGURE + FIG_VELOCITY + 4]
+    movss xmm1, [rel ZERO_CONST]
+    ucomiss xmm0, xmm1
+    jbe .no_collision      ; если vel.y <= 0, пропускаем
+    
+    ; vel.y > 0, инвертируем
+    movss xmm1, [rel NEG_ONE_CONST]
+    mulss xmm0, xmm1
+    movss [r12 + WDI_FIGURE + FIG_VELOCITY + 4], xmm0
+
+.no_collision:
+    ; Костыль: если центр фигуры вышел за границу, вернуть его на границу
+    
+    ; Проверка pos_x < 0
+    movss xmm0, [r12 + WDI_FIGURE + FIG_POSITION]
+    movss xmm1, [rel ZERO_CONST]
+    ucomiss xmm0, xmm1
+    jae .check_pos_x_max
+    movss [r12 + WDI_FIGURE + FIG_POSITION], xmm1  ; pos_x = 0
+
+.check_pos_x_max:
+    ; Проверка pos_x > canvas_width
+    movss xmm0, [r12 + WDI_FIGURE + FIG_POSITION]
+    ucomiss xmm0, xmm14
+    jbe .check_pos_y_min
+    movss [r12 + WDI_FIGURE + FIG_POSITION], xmm14  ; pos_x = canvas_width
+
+.check_pos_y_min:
+    ; Проверка pos_y < 0
+    movss xmm0, [r12 + WDI_FIGURE + FIG_POSITION + 4]
+    movss xmm1, [rel ZERO_CONST]
+    ucomiss xmm0, xmm1
+    jae .check_pos_y_max
+    movss [r12 + WDI_FIGURE + FIG_POSITION + 4], xmm1  ; pos_y = 0
+
+.check_pos_y_max:
+    ; Проверка pos_y > canvas_height (1.0)
+    movss xmm0, [r12 + WDI_FIGURE + FIG_POSITION + 4]
+    ucomiss xmm0, xmm13
+    jbe .position_clamped
+    movss [r12 + WDI_FIGURE + FIG_POSITION + 4], xmm13  ; pos_y = 1.0
+
+.position_clamped:
+    ; Восстановить регистры
+    pop r15
+    pop r14
+    pop r13
+    pop r12
 
     leave
     ret
 
 
-; helper: check collision for circle and reflect velocity & angular velocity
+; Функция для расположения точек на окружности
-; rdi - pointer to struct window_draw_info
+; Вход:
-global figure_check_collision_circle
+;   xmm0 - pos_x
-figure_check_collision_circle:
+;   xmm1 - pos_y
-    push rbx
+;   xmm2 - смещение точек на окружности в радианах
-    ; rdi -> window_draw_info
+;   xmm3 - радиус
-    ; rax -> figure_animation_info
+;   rdi  - адрес буфера для точек
-    mov rax, rdi
+;   rsi  - количество точек
-    add rax, WDI_FIGURE
+; Уничтожает: rax, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7
+global place_points_on_circle
+place_points_on_circle:
+    enter 0, 0
 
-    movss xmm0, dword [rax + FIG_POSITION]      ; pos.x
+    ; Сохранить координаты центра
-    movss xmm1, dword [rax + FIG_POSITION + 4]  ; pos.y
+    movss xmm6, xmm0
+    movss xmm7, xmm1
 
-    movss xmm2, dword [rax + FIG_VELOCITY]      ; vel.x
+    ; Рассчитать TWO_PI / rsi и сохранить в xmm4
-    movss xmm3, dword [rax + FIG_VELOCITY + 4]  ; vel.y
+    movss   xmm4, [rel TWO_PI] 
+    cvtsi2ss xmm5, rsi         
+    divss   xmm4, xmm5          
 
-    movss xmm4, dword [rax + FIG_ANG_VEL]       ; angvel
+    movss xmm5, [rel ZERO_CONST]    ; счётчик
+    mov rcx, rsi
+.loop:
+    movss xmm0, xmm5
 
-    ; radius is stored in figure as pixel count (float)
+    mulss   xmm0, xmm4          ; Счётчик*шаг    
-    ; we keep positions normalized (0..1) so convert radius to normalized
+    addss   xmm0, xmm2          ; Прибавить смещение
-    ; coordinates for x and y: r_x = radius / width, r_y = radius / height
+    call sincos_f32_rbp         ; Посчитать sincos
-    movss xmm5, dword [rax + FIG_RADIUS]   ; xmm5 = radius_pixels
+    mulss   xmm0, xmm3          ; sin *= radius
+    mulss   xmm1, xmm3          ; cos *= radius
 
-    ; load width/height from window_draw_info
+    addss   xmm1, xmm6          ; x = center_x + cos*radius
-    mov ebx, dword [rdi + WDI_WIDTH]
+    addss   xmm0, xmm7          ; y = center_y + sin*radius
-    cvtsi2ss xmm10, ebx   ; xmm10 = width
-    mov ebx, dword [rdi + WDI_HEIGHT]
-    cvtsi2ss xmm11, ebx   ; xmm11 = height
 
-    ; compute r_x = radius / width
+    movss   [rdi], xmm1        
-    movss xmm12, xmm5
+    movss   [rdi + 4], xmm0    
-    divss xmm12, xmm10    ; xmm12 = r_x
+    add     rdi, 8            
 
-    ; compute r_y = radius / height
-    movss xmm13, xmm5
-    divss xmm13, xmm11    ; xmm13 = r_y
 
-    ; left edge: pos.x < r_x ?
+    addss xmm5, [rel ONE_CONST]          
-    ucomiss xmm0, xmm12
+    loop .loop    
-    jae .check_right
-    ; pos.x = radius
-    movss dword [rax + FIG_POSITION], xmm12
-    ; vel.x = -vel.x
-    movss xmm6, xmm2
-    mulss xmm6, [rel NEG_ONE]
-    movss dword [rax + FIG_VELOCITY], xmm6
-    ; invert angular velocity
-    movss xmm7, xmm4
-    mulss xmm7, [rel NEG_ONE]
-    movss dword [rax + FIG_ANG_VEL], xmm7
-    jmp .done_x
 
-.check_right:
+    leave
-    ; pos.x + radius > 1 ?
-    movss xmm8, [rel ONE_CONST]
-    addss xmm8, xmm12         ; xmm8 = 1 + r_x
-    ; Actually want pos.x + radius > 1 <=> pos.x > 1 - radius
-    ; compute bound = 1 - r_x
-    movss xmm9, [rel ONE_CONST]
-    subss xmm9, xmm12
-    ucomiss xmm0, xmm9
-    jbe .done_x
-    ; pos.x = 1 - radius
-    movss dword [rax + FIG_POSITION], xmm9
-    ; vel.x = -vel.x
-    movss xmm6, xmm2
-    mulss xmm6, [rel NEG_ONE]
-    movss dword [rax + FIG_VELOCITY], xmm6
-    ; invert angular velocity
-    movss xmm7, xmm4
-    mulss xmm7, [rel NEG_ONE]
-    movss dword [rax + FIG_ANG_VEL], xmm7
-
-.done_x:
-    ; check bottom / top boundaries for y
-    ; bottom: pos.y < r_y
-    ucomiss xmm1, xmm13
-    jae .check_top2
-    movss dword [rax + FIG_POSITION + 4], xmm13
-    movss xmm6, xmm3
-    mulss xmm6, [rel NEG_ONE]
-    movss dword [rax + FIG_VELOCITY + 4], xmm6
-    ; invert angular
-    movss xmm7, xmm4
-    mulss xmm7, [rel NEG_ONE]
-    movss dword [rax + FIG_ANG_VEL], xmm7
-    jmp .done_y
-
-.check_top2:
-    ; top: pos.y > 1 - r_y
-    movss xmm9, [rel ONE_CONST]
-    subss xmm9, xmm13
-    ucomiss xmm1, xmm9
-    jbe .done_y
-    movss dword [rax + FIG_POSITION + 4], xmm9
-    movss xmm6, xmm3
-    mulss xmm6, [rel NEG_ONE]
-    movss dword [rax + FIG_VELOCITY + 4], xmm6
-    movss xmm7, xmm4
-    mulss xmm7, [rel NEG_ONE]
-    movss dword [rax + FIG_ANG_VEL], xmm7
-
-.done_y:
-    pop rbx
     ret
 
-section .rodata
+
-DT:           dd 0.1
+; Функция для рассчёта sin и cos
-NEG_ONE:      dd -1.0
+; Вход:  
-ONE_CONST:    dd 1.0
+;   xmm0 - угол в радианах (float)
-ZERO_CONST:   dd 0.0
+; Выход: 
+;   xmm0 - sin(angle)
+;   xmm1 - cos(angle)
+; Уничтожает: rax, flags
+sincos_f32_rbp:
+    enter   24, 0          ; 24 байта локального места:
+                           ;   [rbp-8]  — временно угол (для fld)
+                           ;   [rbp-16] — sin
+                           ;   [rbp-24] — cos
+                           ; (выравнивание по 16 будет соблюдено за счёт enter)
+
+    ; Сохраняем входной угол как float32 в стек для загрузки в x87
+    movss   [rbp-8], xmm0
+    fld     dword [rbp-8]          ; ST(0) = angle (в extended precision)
+
+    fsincos                        ; ST(0) = cos, ST(1) = sin
+
+    ; Сохраняем результаты обратно в память как float32
+    fstp    dword [rbp-24]         ; pop cos → [rbp-24]
+    fstp    dword [rbp-16]         ; pop sin → [rbp-16]
+
+    ; Загружаем результаты в xmm0 и xmm1
+    movss   xmm0, [rbp-16]         ; xmm0 = sin
+    movss   xmm1, [rbp-24]         ; xmm1 = cos
+
+    leave                          ; эквивалент: mov rsp, rbp / pop rbp
+    ret
+
+
+; Функция проверки выхода за границы с маской
+; Вход:  
+;   xmm0 - width
+;   xmm1 - height
+;   xmm2 - x
+;   xmm3 - y
+; Выход: 
+;   rax - битовая маска границ (left=1, top=2, right=4, bottom=8)
+check_collision_mask:
+    xor rax, rax            ; очистим rax (маска)
+
+    movss xmm4, [rel ZERO_CONST]
+
+    ; left: x < 0
+    ucomiss xmm2, xmm4
+    jb .set_left
+
+.next_left:
+    ; right: x > width
+    ucomiss xmm2, xmm0
+    ja .set_right
+
+.next_right:
+    ; top: y < 0
+    ucomiss xmm3, xmm4
+    jb .set_top
+
+.next_top:
+    ; bottom: y > height
+    ucomiss xmm3, xmm1
+    ja .set_bottom
+
+    ret
+
+.set_left:
+    or rax, 1
+    jmp .next_left
+
+.set_top:
+    or rax, 2
+    jmp .next_top
+
+.set_right:
+    or rax, 4
+    jmp .next_right
+
+.set_bottom:
+    or rax, 8
+    ret

wayland/src/figure-draw.c

@@ -1,110 +1,239 @@
 #include <math.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
 #include "figure-draw.h"
 
-/* C implementation of the drawing routine. The .asm file simply forwards to this
+#ifndef M_PI
- * function so we keep the symbol present in an assembly file. */
+#define M_PI 3.14159265358979323846
-void figure_draw(struct window_draw_info* draw_info, float border_thickness, uint32_t border_color, uint32_t fill_color)
+#endif
+
+/* Вспомогательная функция для установки пикселя */
+static inline void set_pixel(uint8_t *data, int32_t width, int32_t height, int x, int y, uint32_t color)
 {
-    if (!draw_info || !draw_info->data)
+    if (x < 0 || x >= width || y < 0 || y >= height)
         return;
     
-    int w = draw_info->width;
+    uint32_t *pixel = (uint32_t *)(data + (y * width + x) * 4);
-    int h = draw_info->height;
+    *pixel = color;
-    uint32_t *pixels = (uint32_t *)draw_info->data;
+}
 
-    struct figure_animation_info fig = draw_info->figure;
+/* Проверка, находится ли точка внутри треугольника (барицентрические координаты) */
+static int point_in_triangle(float px, float py, float x1, float y1, float x2, float y2, float x3, float y3)
+{
+    float d1 = (px - x2) * (y1 - y2) - (x1 - x2) * (py - y2);
+    float d2 = (px - x3) * (y2 - y3) - (x2 - x3) * (py - y3);
+    float d3 = (px - x1) * (y3 - y1) - (x3 - x1) * (py - y1);
     
-    /* center in pixels */
+    int has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0);
-    float cx = fig.position.x * (float)w;
+    int has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0);
-    float cy = fig.position.y * (float)h;
-    /* `fig.radius` is in pixels now; use it directly. */
-    float r = fig.radius;
-    float r2 = r * r;
-    float border = border_thickness;
-    if (border < 0.0f) border = 0.0f;
     
-    /* bounding box */
+    return !(has_neg && has_pos);
-    int minx = (int)floorf(cx - r);
+}
-    int maxx = (int)ceilf(cx + r);
-    int miny = (int)floorf(cy - r);
-    int maxy = (int)ceilf(cy + r);
-    /* make sure we don't go out of bounds */
-    if (miny < 0) miny = 0;
-    if (minx < 0) minx = 0;
-    if (maxy >= h) maxy = h - 1;
-    if (maxx >= w) maxx = w - 1;
 
-    /* We'll compute pixel centers at (x + 0.5f, y + 0.5f) */
+/* Расстояние от точки до отрезка */
-    for (int y = miny; y <= maxy; ++y)
+static float point_to_segment_distance(float px, float py, float x1, float y1, float x2, float y2)
-    {
+{
-        float py = (float)y + 0.5f;
+    float dx = x2 - x1;
-        for (int x = minx; x <= maxx; ++x)
+    float dy = y2 - y1;
-        {
+    float len_sq = dx * dx + dy * dy;
-            float px = (float)x + 0.5f;
-            int draw = 0;
-            int border_pixel = 0;
-            switch (fig.type)
-            {
-            case FIGURE_CIRCLE:
-            {
-                float dx = px - cx;
-                float dy = py - cy;
-                float d2 = dx*dx + dy*dy;
-                if (d2 <= r2)
-                {
-                    draw = 1;
-                    if (d2 >= (r - border)*(r - border))
-                        border_pixel = 1;
-                }
-                break;
-            }
-            case FIGURE_SQUARE:
-            {
-                float dx = fabsf(px - cx);
-                float dy = fabsf(py - cy);
-                if (dx <= r && dy <= r)
-                {
-                    draw = 1;
-                    if (fmaxf(dx, dy) >= r - border)
-                        border_pixel = 1;
-                }
-                break;
-            }
-            case FIGURE_TRIANGLE:
-            {
-                /* Equilateral triangle centered at cx,cy. Apex up. *
-                 * Vertices: A=(cx, cy - r), B=(cx + r*0.866, cy + r*0.5), C=(cx - r*0.866, cy + r*0.5) */
-                float v1x = r * 0.8660254037844386f;
-                float v1y = r * 0.5f;
-                float ax = cx; float ay = cy - r;
-                float bx = cx + v1x; float by = cy + v1y;
-                float cx2 = cx - v1x; float cy2 = by;
     
-                /* barycentric tests: point inside triangle if all cross products have same sign */
+    if (len_sq < 0.0001f) {
-                float s1 = (px - bx)*(ay - by) - (ax - bx)*(py - by);
+        dx = px - x1;
-                float s2 = (px - cx2)*(by - cy2) - (bx - cx2)*(py - cy2);
+        dy = py - y1;
-                float s3 = (px - ax)*(cy2 - ay) - (cx2 - ax)*(py - ay);
+        return sqrtf(dx * dx + dy * dy);
-                int neg = (s1 < 0) + (s2 < 0) + (s3 < 0);
-                int pos = (s1 > 0) + (s2 > 0) + (s3 > 0);
-                if (neg == 0 || pos == 0)
-                {
-                    draw = 1;
-                }
-                break;
-            }
-            default:
-                break;
     }
     
-            if (draw)
+    float t = ((px - x1) * dx + (py - y1) * dy) / len_sq;
-            {
+    t = fmaxf(0.0f, fminf(1.0f, t));
-                uint32_t col = border_pixel ? border_color : fill_color;
+    
-                pixels[y * w + x] = col;
+    float proj_x = x1 + t * dx;
+    float proj_y = y1 + t * dy;
+    
+    dx = px - proj_x;
+    dy = py - proj_y;
+    
+    return sqrtf(dx * dx + dy * dy);
+}
+
+/* Рисование круга */
+static void draw_circle(struct window_draw_info* draw_info, float cx, float cy, float radius,
+                        float border_thickness, uint32_t border_color, uint32_t fill_color)
+{
+    int x_min = (int)fmaxf(0, cx - radius - border_thickness);
+    int x_max = (int)fminf(draw_info->width - 1, cx + radius + border_thickness);
+    int y_min = (int)fmaxf(0, cy - radius - border_thickness);
+    int y_max = (int)fminf(draw_info->height - 1, cy + radius + border_thickness);
+    
+    for (int y = y_min; y <= y_max; y++) {
+        for (int x = x_min; x <= x_max; x++) {
+            float dx = x - cx;
+            float dy = y - cy;
+            float dist = sqrtf(dx * dx + dy * dy);
+            
+            if (dist <= radius) {
+                set_pixel(draw_info->data, draw_info->width, draw_info->height, x, y, fill_color);
+            } else if (dist <= radius + border_thickness) {
+                set_pixel(draw_info->data, draw_info->width, draw_info->height, x, y, border_color);
             }
         }
     }
 }
 
-/* C symbol exported to be called by minimal assembly wrapper */
+/* Рисование треугольника */
+static void draw_triangle(struct window_draw_info* draw_info, float cx, float cy, float radius, float angle,
+                          float border_thickness, uint32_t border_color, uint32_t fill_color)
+{
+    /* Вычисляем координаты вершин равностороннего треугольника */
+    /* Угол 0 означает, что одна вершина справа от центра */
+    float vertices[3][2];
+    for (int i = 0; i < 3; i++) {
+        float vertex_angle = angle + i * (2.0f * M_PI / 3.0f);
+        vertices[i][0] = cx + radius * cosf(vertex_angle);
+        vertices[i][1] = cy - radius * sinf(vertex_angle);  /* Инвертируем Y для экранных координат */
+    }
+    
+    /* Находим ограничивающий прямоугольник */
+    float min_x = fminf(vertices[0][0], fminf(vertices[1][0], vertices[2][0])) - border_thickness;
+    float max_x = fmaxf(vertices[0][0], fmaxf(vertices[1][0], vertices[2][0])) + border_thickness;
+    float min_y = fminf(vertices[0][1], fminf(vertices[1][1], vertices[2][1])) - border_thickness;
+    float max_y = fmaxf(vertices[0][1], fmaxf(vertices[1][1], vertices[2][1])) + border_thickness;
+    
+    int x_min = (int)fmaxf(0, min_x);
+    int x_max = (int)fminf(draw_info->width - 1, max_x);
+    int y_min = (int)fmaxf(0, min_y);
+    int y_max = (int)fminf(draw_info->height - 1, max_y);
+    
+    /* Рисуем треугольник */
+    for (int y = y_min; y <= y_max; y++) {
+        for (int x = x_min; x <= x_max; x++) {
+            int inside = point_in_triangle((float)x, (float)y,
+                                          vertices[0][0], vertices[0][1],
+                                          vertices[1][0], vertices[1][1],
+                                          vertices[2][0], vertices[2][1]);
+            
+            if (inside) {
+                set_pixel(draw_info->data, draw_info->width, draw_info->height, x, y, fill_color);
+            } else {
+                /* Проверяем расстояние до границ */
+                float dist1 = point_to_segment_distance((float)x, (float)y,
+                                                       vertices[0][0], vertices[0][1],
+                                                       vertices[1][0], vertices[1][1]);
+                float dist2 = point_to_segment_distance((float)x, (float)y,
+                                                       vertices[1][0], vertices[1][1],
+                                                       vertices[2][0], vertices[2][1]);
+                float dist3 = point_to_segment_distance((float)x, (float)y,
+                                                       vertices[2][0], vertices[2][1],
+                                                       vertices[0][0], vertices[0][1]);
+                
+                float min_dist = fminf(dist1, fminf(dist2, dist3));
+                if (min_dist <= border_thickness) {
+                    set_pixel(draw_info->data, draw_info->width, draw_info->height, x, y, border_color);
+                }
+            }
+        }
+    }
+}
+
+/* Рисование квадрата */
+static void draw_square(struct window_draw_info* draw_info, float cx, float cy, float radius, float angle,
+                        float border_thickness, uint32_t border_color, uint32_t fill_color)
+{
+    /* Вычисляем координаты вершин квадрата */
+    /* Угол 0 означает, что одна вершина справа от центра */
+    float vertices[4][2];
+    for (int i = 0; i < 4; i++) {
+        float vertex_angle = angle + i * (M_PI / 2.0f);
+        vertices[i][0] = cx + radius * cosf(vertex_angle);
+        vertices[i][1] = cy - radius * sinf(vertex_angle);  /* Инвертируем Y для экранных координат */
+    }
+    
+    /* Находим ограничивающий прямоугольник */
+    float min_x = vertices[0][0], max_x = vertices[0][0];
+    float min_y = vertices[0][1], max_y = vertices[0][1];
+    for (int i = 1; i < 4; i++) {
+        min_x = fminf(min_x, vertices[i][0]);
+        max_x = fmaxf(max_x, vertices[i][0]);
+        min_y = fminf(min_y, vertices[i][1]);
+        max_y = fmaxf(max_y, vertices[i][1]);
+    }
+    
+    min_x -= border_thickness;
+    max_x += border_thickness;
+    min_y -= border_thickness;
+    max_y += border_thickness;
+    
+    int x_min = (int)fmaxf(0, min_x);
+    int x_max = (int)fminf(draw_info->width - 1, max_x);
+    int y_min = (int)fmaxf(0, min_y);
+    int y_max = (int)fminf(draw_info->height - 1, max_y);
+    
+    /* Рисуем квадрат */
+    for (int y = y_min; y <= y_max; y++) {
+        for (int x = x_min; x <= x_max; x++) {
+            float px = (float)x;
+            float py = (float)y;
+            
+            /* Проверяем, находится ли точка внутри квадрата */
+            /* Используем два треугольника */
+            int inside = point_in_triangle(px, py,
+                                          vertices[0][0], vertices[0][1],
+                                          vertices[1][0], vertices[1][1],
+                                          vertices[2][0], vertices[2][1]) ||
+                        point_in_triangle(px, py,
+                                          vertices[0][0], vertices[0][1],
+                                          vertices[2][0], vertices[2][1],
+                                          vertices[3][0], vertices[3][1]);
+            
+            if (inside) {
+                set_pixel(draw_info->data, draw_info->width, draw_info->height, x, y, fill_color);
+            } else {
+                /* Проверяем расстояние до границ */
+                float min_dist = INFINITY;
+                for (int i = 0; i < 4; i++) {
+                    int next = (i + 1) % 4;
+                    float dist = point_to_segment_distance(px, py,
+                                                          vertices[i][0], vertices[i][1],
+                                                          vertices[next][0], vertices[next][1]);
+                    min_dist = fminf(min_dist, dist);
+                }
+                
+                if (min_dist <= border_thickness) {
+                    set_pixel(draw_info->data, draw_info->width, draw_info->height, x, y, border_color);
+                }
+            }
+        }
+    }
+}
+
+void figure_draw(struct window_draw_info* draw_info, float border_thickness, uint32_t border_color, uint32_t fill_color)
+{
+    if (!draw_info || !draw_info->data)
+        return;
+    
+    /* Координаты приходят в относительных единицах
+     * Y: [0..1] -> умножаем на высоту
+     * X: нормализован относительно высоты -> умножаем на высоту же
+     */
+    float cx = draw_info->figure.position.x * draw_info->height;
+    float cy = draw_info->figure.position.y * draw_info->height;
+    float radius = draw_info->figure.radius;
+    float angle = draw_info->figure.angle;
+    enum figure_type type = draw_info->figure.type;
+    
+    switch (type) {
+        case FIGURE_CIRCLE:
+            draw_circle(draw_info, cx, cy, radius, border_thickness, border_color, fill_color);
+            break;
+            
+        case FIGURE_TRIANGLE:
+            draw_triangle(draw_info, cx, cy, radius, angle, border_thickness, border_color, fill_color);
+            break;
+            
+        case FIGURE_SQUARE:
+            draw_square(draw_info, cx, cy, radius, angle, border_thickness, border_color, fill_color);
+            break;
+    }
+}
+

wayland/src/input-handle.c

@@ -1,5 +1,6 @@
 #include "input-handle.h"
 #include "wayland-runtime.h"
+#include <math.h>
 
 void keyboard_key_handle(xkb_keycode_t kc, xkb_keysym_t ks, enum keyboard_key_state state, struct wayland_window *window)
 {
@@ -8,12 +9,12 @@ void keyboard_key_handle(xkb_keycode_t kc, xkb_keysym_t ks, enum keyboard_key_st
         char buf[64];
         int n = xkb_keysym_to_utf8(ks, buf, sizeof(buf));
        
-        if (n > 0)
+        // if (n > 0)
-            printf("keyboard: symbol '%s' (keysym 0x%x) on surface:%p\n", buf, ks, window);
+        //     printf("keyboard: symbol '%s' (keysym 0x%x) on surface:%p\n", buf, ks, window);
-        else
+        // else
-            printf("keyboard: keysym 0x%x (no UTF-8 representation)\n", ks);
+        //     printf("keyboard: keysym 0x%x (no UTF-8 representation)\n", ks);
 
-        if(state == KEYBOARD_KEY_STATE_PRESSED) 
+        if(state != KEYBOARD_KEY_STATE_RELEASED) 
         {
             switch (ks)
             {
@@ -30,6 +31,48 @@ void keyboard_key_handle(xkb_keycode_t kc, xkb_keysym_t ks, enum keyboard_key_st
             case '3':
                 window->draw_info.figure.type = FIGURE_SQUARE;
                 break;
+            case '-':
+                /* decrease animation speed (multiplicative delta, clamped) */
+                pthread_mutex_lock(&window->draw_info.figure_mutex);
+                window->draw_info.figure.speed -= 0.5f;
+                if (window->draw_info.figure.speed < 1)
+                    window->draw_info.figure.speed = 1;
+                printf("keyboard: speed decreased to %.2f\n", window->draw_info.figure.speed);
+                pthread_mutex_unlock(&window->draw_info.figure_mutex);
+                break;
+            case '+':
+            case '=': /* some layouts may emit '=' for unshifted, handle + via keysym */
+                /* increase animation speed (multiplicative delta, clamped) */
+                pthread_mutex_lock(&window->draw_info.figure_mutex);
+                window->draw_info.figure.speed += 0.5f;
+                if (window->draw_info.figure.speed > 30.0f)
+                    window->draw_info.figure.speed = 30.0f;
+                printf("keyboard: speed increased to %.2f\n", window->draw_info.figure.speed);
+                pthread_mutex_unlock(&window->draw_info.figure_mutex);
+                break;
+            case XKB_KEY_Up:
+                /* increase figure radius */
+                pthread_mutex_lock(&window->draw_info.figure_mutex);
+                {
+                    float maxr = fminf(window->draw_info.width, window->draw_info.height) / 2.0f - 1.0f;
+                    window->draw_info.figure.radius += 2.0f;
+                    if (window->draw_info.figure.radius > maxr)
+                        window->draw_info.figure.radius = maxr;
+                }
+                printf("keyboard: radius increased to %.2f\n", window->draw_info.figure.radius);
+                pthread_mutex_unlock(&window->draw_info.figure_mutex);
+                break;
+            case XKB_KEY_Down:
+                /* decrease figure radius */
+                pthread_mutex_lock(&window->draw_info.figure_mutex);
+                {
+                    window->draw_info.figure.radius -= 2.0f;
+                    if (window->draw_info.figure.radius < 1.0f)
+                        window->draw_info.figure.radius = 1.0f;
+                }
+                printf("keyboard: radius decreased to %.2f\n", window->draw_info.figure.radius);
+                pthread_mutex_unlock(&window->draw_info.figure_mutex);
+                break;
             default:
                 break;
             }

wayland/src/input.c

@@ -70,14 +70,12 @@ static void keyboard_keymap(void *data, struct wl_keyboard *keyboard, uint32_t f
 
 static void keyboard_enter(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys)
 {
-    printf("keyboard: enter serial=%u surface=%p\n", serial, surface);
     /* Сохраняем поверхность, которая получила фокус клавиатуры */
     focused_window = get_window_by_surface(surface);
 }
 
 static void keyboard_leave(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface)
 {
-    printf("keyboard: leave serial=%u surface=%p\n", serial, surface);
     /* Если уходим с фокусной поверхности — сбросить фокус */
     if (focused_window && focused_window->wl_surface == surface)
         focused_window = NULL;
@@ -100,7 +98,6 @@ static void keyboard_key(void *data, struct wl_keyboard *keyboard, uint32_t seri
 
 static void keyboard_modifiers(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group)
 {
-    printf("keyboard: modifiers serial=%u depressed=%u latched=%u locked=%u group=%u\n", serial, mods_depressed, mods_latched, mods_locked, group);
     if (xkb_state)
     {
         xkb_state_update_mask(xkb_state, mods_depressed, mods_latched, mods_locked, group, 0, 0);
@@ -109,7 +106,6 @@ static void keyboard_modifiers(void *data, struct wl_keyboard *keyboard, uint32_
 
 static void keyboard_repeat_info(void *data, struct wl_keyboard *keyboard, int32_t rate, int32_t delay)
 {
-    printf("keyboard: repeat rate=%d delay=%d\n", rate, delay);
 }
 
 static const struct wl_keyboard_listener keyboard_listener = {

wayland/src/wayland-runtime.c

@@ -41,6 +41,26 @@ static void signal_thread_exit(struct window_thread_slot *slot)
     pthread_mutex_unlock(&g_thread_lock);
 }
 
+#include <stdio.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+// Прототип ASM-функции
+void place_points_on_circle(
+    float pos_x,
+    float pos_y,
+    float offset_rad,
+    float radius,
+    float *points,
+    size_t count);
+
+struct Point
+{
+    float x;
+    float y;
+};
+
 static void *window_aux_loop(void *arg)
 {
     struct window_thread_slot *slot = arg;
@@ -50,9 +70,38 @@ static void *window_aux_loop(void *arg)
         /* На время обновления позиции фигуры локаем мутекс */
         pthread_mutex_lock(&draw_info->figure_mutex);
         figure_animation_step(draw_info);
+
+        // const size_t n = 8;
+        // struct vec2 *pts = malloc(sizeof(struct vec2) * n);
+        // if (!pts)
+        // {
+        //     printf("malloc failed\n");
+        // }
+
+        // float center_x = 0.0f;
+        // float center_y = 0.0f;
+        // float offset = 0.78f;
+        // float radius = 1.0f;
+
+        // // Вызов ASM-функции
+        // place_points_on_circle(
+        //     center_x,
+        //     center_y,
+        //     offset,
+        //     radius,
+        //     (float *)pts, // адрес выходного массива
+        //     n);
+
+        // // Вывод для проверки (и удобной точки останова)
+        // for (size_t i = 0; i < n; i++)
+        // {
+        //     printf("%zu: x = %f, y = %f\n", i, pts[i].x, pts[i].y);
+        // }
+
+        // free(pts);
         pthread_mutex_unlock(&draw_info->figure_mutex);
 
-        usleep(30 * 1000);
+        usleep(33 * 1000);
     }
     return NULL;
 }
@@ -129,6 +178,20 @@ int32_t init_wayland(void)
     atomic_store(&g_shutdown, 0);
     atomic_store(&g_active_threads, 0);
     g_initialized = 1;
+
+    /* Print keyboard help to the console so users know available shortcuts and
+     * behaviors. This mirrors the handling implemented in
+     * `input-handle.c` and acts as a quick usage hint. */
+    printf("\nKeyboard shortcuts and behavior:\n");
+    printf("  - Enter: open a new window\n");
+    printf("  - 1: switch to circle figure\n");
+    printf("  - 2: switch to triangle figure\n");
+    printf("  - 3: switch to square figure\n");
+    printf("  - - : decrease animation speed (clamped, multiplicative)\n");
+    printf("  - + or = : increase animation speed (clamped, multiplicative)\n");
+    printf("  - Up arrow: increase figure radius (clamped to window bounds)\n");
+    printf("  - Down arrow: decrease figure radius (minimum 1.0)\n");
+    printf("  Note: actions are triggered on key press (not on release).\n\n");
     return 0;
 }
 

wayland/src/window.c

@@ -105,20 +105,19 @@ static void draw(struct wayland_window *win)
 	// Залочиться, чтобы операции обновления позиции фигуры происходили атомарно
 	pthread_mutex_lock(&draw_info->figure_mutex);
 	struct figure_animation_info figure = draw_info->figure;
-	pthread_mutex_unlock(&draw_info->figure_mutex);
 
 	uint32_t color;
 	switch (figure.type)
 	{
 	case FIGURE_CIRCLE:
-		color = 0xFFFFFFFF;
-		break;
-	case FIGURE_TRIANGLE:
 		color = 0xFFFF0000;
 		break;
-	case FIGURE_SQUARE:
+	case FIGURE_TRIANGLE:
 		color = 0xFF00FF00;
 		break;
+	case FIGURE_SQUARE:
+		color = 0xFF0000FF;
+		break;
 
 	default:
 		break;
@@ -129,11 +128,13 @@ static void draw(struct wayland_window *win)
 	{
 		uint32_t *row = (uint32_t *)(bytes + y * stride);
 		for (int32_t x = 0; x < (int32_t)draw_info->width; ++x)
-			row[x] = 0xFF000000; /* background black */
+			row[x] = 0xAA5F5F5F; /* background black */
 	}
 
 	/* Draw figure into buffer. border thickness in pixels = 3.0f */
-	figure_draw(&win->draw_info, 3.0f, 0xFFFFFFFF, color);
+	figure_draw(&win->draw_info, 3.0f, 0xFF000000, color);
+	pthread_mutex_unlock(&draw_info->figure_mutex);
+
 
 	wl_surface_attach(win->wl_surface, win->buffer, 0, 0);
 	wl_surface_damage_buffer(win->wl_surface, 0, 0, draw_info->width, draw_info->height);
@@ -251,12 +252,12 @@ int window_init(struct wl_display *display, struct wl_event_queue *queue, struct
 	draw_info->figure.type = FIGURE_CIRCLE;
 	draw_info->figure.position.x = 0.5f;
 	draw_info->figure.position.y = 0.5f;
-	draw_info->figure.velocity.x = 0.6f;
+	draw_info->figure.velocity.x = 0.5f;
-	draw_info->figure.velocity.y = 0.3f;
+	draw_info->figure.velocity.y = 0.5f;
 	draw_info->figure.angle = 0.0f;
-	draw_info->figure.angular_velocity = 1.0f; /* radians per second */
+	draw_info->figure.angular_velocity = 0.01; /* radians per frame */
-	draw_info->figure.speed = 100.0f; /* pixels per second */
+	draw_info->figure.speed = 10; /* speed multiplier */
-	draw_info->figure.radius = 20.0f; /* radius in pixels */
+	draw_info->figure.radius = 25.0f; /* radius in pixels */
 
 	win->buffer = NULL;
 	win->frame_callback = NULL;