Permalink
Cannot retrieve contributors at this time
"""This example showcase point queries by highlighting the shape under the | |
mouse pointer. | |
""" | |
__version__ = "$Id:$" | |
__docformat__ = "reStructuredText" | |
import random | |
import sys | |
import pygame | |
import pymunk | |
import pymunk.pygame_util | |
from pymunk import Vec2d | |
def main(): | |
pygame.init() | |
screen = pygame.display.set_mode((600, 600)) | |
clock = pygame.time.Clock() | |
running = True | |
### Physics stuff | |
space = pymunk.Space() | |
space.gravity = Vec2d(0.0, 900.0) | |
draw_options = pymunk.pygame_util.DrawOptions(screen) | |
## Balls | |
balls = [] | |
### walls | |
static_lines = [ | |
pymunk.Segment(space.static_body, Vec2d(111, 320), Vec2d(407, 354), 1.0), | |
pymunk.Segment(space.static_body, Vec2d(407, 354), Vec2d(407, 257), 1.0), | |
] | |
space.add(*static_lines) | |
ticks_to_next_ball = 10 | |
while running: | |
for event in pygame.event.get(): | |
if event.type == pygame.QUIT: | |
running = False | |
elif event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE: | |
running = False | |
elif event.type == pygame.KEYDOWN and event.key == pygame.K_p: | |
pygame.image.save(screen, "point_query.png") | |
ticks_to_next_ball -= 1 | |
if ticks_to_next_ball <= 0: | |
ticks_to_next_ball = 100 | |
mass = 10 | |
radius = 25 | |
inertia = pymunk.moment_for_circle(mass, 0, radius, (0, 0)) | |
body = pymunk.Body(mass, inertia) | |
x = random.randint(115, 350) | |
body.position = x, 200 | |
shape = pymunk.Circle(body, radius, Vec2d(0, 0)) | |
shape.color = pygame.Color("lightgrey") | |
space.add(body, shape) | |
balls.append(shape) | |
### Clear screen | |
screen.fill(pygame.Color("white")) | |
### Draw stuff | |
space.debug_draw(draw_options) | |
balls_to_remove = [] | |
for ball in balls: | |
if ball.body.position.y > 400: | |
balls_to_remove.append(ball) | |
for ball in balls_to_remove: | |
space.remove(ball, ball.body) | |
balls.remove(ball) | |
mouse_pos = pymunk.pygame_util.get_mouse_pos(screen) | |
shape = space.point_query_nearest( | |
mouse_pos, float("inf"), pymunk.ShapeFilter() | |
).shape | |
if shape is not None and isinstance(shape, pymunk.Circle): | |
r = shape.radius + 4 | |
p = pymunk.pygame_util.to_pygame(shape.body.position, screen) | |
pygame.draw.circle(screen, pygame.Color("red"), p, int(r), 2) | |
### Update physics | |
dt = 1.0 / 60.0 | |
for x in range(1): | |
space.step(dt) | |
### Flip screen | |
pygame.display.flip() | |
clock.tick(50) | |
pygame.display.set_caption("fps: " + str(clock.get_fps())) | |
if __name__ == "__main__": | |
sys.exit(main()) |