""" ════════════════════════════════════════════════════════════ MÓDULO 3 — Script 03: Colisiones Rect (AABB) ════════════════════════════════════════════════════════════ Qué demuestra: • colliderect() — rect contra rect • collidepoint() — punto (mouse) dentro de rect • collidelist() — rect contra lista de rects • Visualización en tiempo real de la superposición • Área de intersección resaltada Controles: • Flechas: mover el cuadrado azul • WASD: mover el cuadrado verde • Mouse: ver collidepoint en tiempo real • ESC: salir ════════════════════════════════════════════════════════════ """ import pygame import sys pygame.init() ANCHO, ALTO = 900, 620 FPS = 60 NEGRO = (0, 0, 0) BLANCO = (255, 255, 255) GRIS = (60, 60, 60) GRIS_CL = (140, 140, 140) AZUL = (50, 120, 220) VERDE = (50, 200, 100) ROJO = (220, 80, 70) AMARILLO= (255, 220, 50) pantalla = pygame.display.set_mode((ANCHO, ALTO)) pygame.display.set_caption("Módulo 3 — Colisiones AABB") clock = pygame.time.Clock() fuente = pygame.font.SysFont("monospace", 15) fuente_ch = pygame.font.SysFont("monospace", 12) fuente_gr = pygame.font.SysFont("monospace", 20, bold=True) ZONA_JUEGO = pygame.Rect(0, 0, ANCHO, ALTO - 140) def texto(txt, pos, color=BLANCO, f=None): s = (f or fuente).render(txt, True, color) pantalla.blit(s, pos) # Obstáculos estáticos obstaculos = [ pygame.Rect(350, 150, 100, 80), pygame.Rect(200, 350, 80, 120), pygame.Rect(550, 300, 120, 70), pygame.Rect(700, 120, 80, 80), ] colores_obs = [(180, 100, 50)] * len(obstaculos) # Rectángulos móviles rect_a = pygame.Rect(150, 200, 60, 60) # Azul (flechas) rect_b = pygame.Rect(620, 200, 60, 60) # Verde (WASD) VEL = 4 # Historial de colisiones para el log log = [] while True: for ev in pygame.event.get(): if ev.type == pygame.QUIT: pygame.quit(); sys.exit() if ev.type == pygame.KEYDOWN and ev.key == pygame.K_ESCAPE: pygame.quit(); sys.exit() # ── INPUT ───────────────────────────────────────────── t = pygame.key.get_pressed() if t[pygame.K_LEFT]: rect_a.x -= VEL if t[pygame.K_RIGHT]: rect_a.x += VEL if t[pygame.K_UP]: rect_a.y -= VEL if t[pygame.K_DOWN]: rect_a.y += VEL if t[pygame.K_a]: rect_b.x -= VEL if t[pygame.K_d]: rect_b.x += VEL if t[pygame.K_w]: rect_b.y -= VEL if t[pygame.K_s]: rect_b.y += VEL rect_a.clamp_ip(ZONA_JUEGO) rect_b.clamp_ip(ZONA_JUEGO) mouse_pos = pygame.mouse.get_pos() # ── DETECCIÓN ───────────────────────────────────────── # 1. colliderect — A contra B col_ab = rect_a.colliderect(rect_b) # 2. collidepoint — cada rect contra el mouse col_a_mouse = rect_a.collidepoint(mouse_pos) col_b_mouse = rect_b.collidepoint(mouse_pos) # 3. collidelist — A contra obstáculos idx_obs_a = rect_a.collidelist(obstaculos) # -1 si no colisiona idx_obs_b = rect_b.collidelist(obstaculos) # Calcular rectángulo de intersección entre A y B interseccion = rect_a.clip(rect_b) # Rect vacío si no hay colisión # ── RENDER ──────────────────────────────────────────── pantalla.fill(NEGRO) # Cuadrícula for gx in range(0, ANCHO, 80): pygame.draw.line(pantalla, (15, 15, 15), (gx, 0), (gx, ALTO - 140)) for gy in range(0, ALTO - 140, 80): pygame.draw.line(pantalla, (15, 15, 15), (0, gy), (ANCHO, gy)) # Obstáculos for i, obs in enumerate(obstaculos): esta_col = (idx_obs_a == i or idx_obs_b == i) color_ob = ROJO if esta_col else (180, 100, 50) pygame.draw.rect(pantalla, color_ob, obs) pygame.draw.rect(pantalla, BLANCO, obs, 1) txt = fuente_ch.render(f"obs[{i}]", True, BLANCO) pantalla.blit(txt, (obs.centerx - txt.get_width()//2, obs.centery - txt.get_height()//2)) # Área de intersección A-B if interseccion.width > 0 and interseccion.height > 0: surf_inter = pygame.Surface((interseccion.w, interseccion.h), pygame.SRCALPHA) surf_inter.fill((255, 255, 0, 90)) pantalla.blit(surf_inter, interseccion.topleft) txt = fuente_ch.render(f"inter={interseccion.w}x{interseccion.h}", True, AMARILLO) pantalla.blit(txt, (interseccion.centerx - txt.get_width()//2, interseccion.centery - txt.get_height()//2)) # Rect A color_a = ROJO if (col_ab or idx_obs_a >= 0) else AZUL pygame.draw.rect(pantalla, color_a, rect_a) pygame.draw.rect(pantalla, BLANCO, rect_a, 2) texto("A", (rect_a.centerx - 5, rect_a.centery - 8), BLANCO) if col_a_mouse: pygame.draw.rect(pantalla, AMARILLO, rect_a, 3) # Rect B color_b = ROJO if (col_ab or idx_obs_b >= 0) else VERDE pygame.draw.rect(pantalla, color_b, rect_b) pygame.draw.rect(pantalla, BLANCO, rect_b, 2) texto("B", (rect_b.centerx - 5, rect_b.centery - 8), BLANCO) if col_b_mouse: pygame.draw.rect(pantalla, AMARILLO, rect_b, 3) # Cruz en la posición del mouse mx, my = mouse_pos if ZONA_JUEGO.collidepoint(mouse_pos): pygame.draw.line(pantalla, (60, 60, 60), (mx - 10, my), (mx + 10, my), 1) pygame.draw.line(pantalla, (60, 60, 60), (mx, my - 10), (mx, my + 10), 1) # ── Panel inferior ──────────────────────────────────── py = ALTO - 140 pygame.draw.rect(pantalla, (12, 12, 12), (0, py, ANCHO, 140)) pygame.draw.line(pantalla, GRIS, (0, py), (ANCHO, py), 1) col_color = ROJO if col_ab else VERDE col_txt = "COLISIÓN" if col_ab else "sin colisión" texto(f"A ↔ B: {col_txt}", (20, py + 10), col_color, fuente_gr) # Columna izquierda lineas_a = [ f"rect_a = ({rect_a.x}, {rect_a.y}, {rect_a.w}, {rect_a.h})", f"colliderect(B) → {col_ab}", f"collidepoint(mouse) → {col_a_mouse}", f"collidelist(obs) → índice {idx_obs_a} {'✓' if idx_obs_a >= 0 else ''}", ] for i, l in enumerate(lineas_a): c = ROJO if ('True' in l or '✓' in l) else GRIS_CL texto(l, (20, py + 48 + i * 20), c, fuente_ch) # Columna derecha lineas_b = [ f"rect_b = ({rect_b.x}, {rect_b.y}, {rect_b.w}, {rect_b.h})", f"colliderect(A) → {col_ab}", f"collidepoint(mouse) → {col_b_mouse}", f"collidelist(obs) → índice {idx_obs_b} {'✓' if idx_obs_b >= 0 else ''}", ] for i, l in enumerate(lineas_b): c = ROJO if ('True' in l or '✓' in l) else GRIS_CL texto(l, (ANCHO // 2 + 20, py + 48 + i * 20), c, fuente_ch) texto("Flechas: mover A | WASD: mover B | Mouse: ver collidepoint | ESC: salir", (20, ALTO - 18), GRIS, fuente_ch) pygame.display.flip() clock.tick(FPS)