Files
2026-10-22 19:08:38 +02:00

103 lines
3.9 KiB
Python

import pygame
from game import Game
import compute
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
RED = (255, 0, 0)
class CubeGame(Game):
"""Der Wuerfel dreht sich um den eigenen Mittelpunkt"""
def __init__(self,title: str = "Cube: The Game", fps: int = 60, size: tuple[int, int] = (1280, 800),) -> None:
"""Legt Startposition, Drehwinkel und Rotationsmatrix fest."""
super().__init__(title, fps, size)
self.cube_corner_points = [(-1, -1, -1), ( 1, -1, -1),
(1, 1, -1), (-1, 1, -1),
(-1, -1, 1), ( 1, -1, 1),
( 1, 1, 1), (-1, 1, 1)]
self.cube_edges = [(0, 1), (0, 3), (0, 4),
(6, 2), (6, 7), (6, 5),
(1, 2), (1, 5),
(3, 7), (3, 2),
(4, 5), (4, 7)]
self.screen_middle = (self.size[0]// 2, self.size[1] // 2)
self.spin = .05
self.camera_scale_ortho = 150
self.camera_scale_project = 400
self.orthogonal = False
self.direction = (0, 0)
def handle_event(self, event):
if not super().handle_event(event):
return False
if event.type == pygame.KEYDOWN:
print(self.direction)
if event.key == pygame.K_UP:
self.direction = (max(-1, self.direction[0] - .1), self.direction[1])
if event.key == pygame.K_DOWN:
self.direction = (min(1, self.direction[0] + .1), self.direction[1])
if event.key == pygame.K_RIGHT:
self.direction = (self.direction[0], max(-1, self.direction[1] - .1))
if event.key == pygame.K_LEFT:
self.direction = ( self.direction[0], min(1, self.direction[1] + .1))
if event.key == pygame.K_SPACE:
self.orthogonal = not self.orthogonal
return True
def rotate(self, axis, dir=1):
for point in range(len(self.cube_corner_points)):
point_matrix = [[self.cube_corner_points[point][0]],
[self.cube_corner_points[point][1]],
[self.cube_corner_points[point][2]]]
point_temp = compute.matmul(compute.rot_3d(self.spin*dir, axis), point_matrix)
self.cube_corner_points[point] = (point_temp[0][0], point_temp[1][0], point_temp[2][0])
def update_game(self) -> bool:
"""Dreht den Mond ein Stück weiter."""
if self.direction[0] != 0:
self.rotate("x", self.direction[0])
if self.direction[1] != 0:
self.rotate("y", self.direction[1])
self.direction = (round(self.direction[0], 4), round(self.direction[1], 4))
return True
def draw_game(self) -> None:
"""Zeichnet Erde und Mond."""
self.screen.fill(BLACK)
for edge in self.cube_edges:
point2d_a = self.to_middle(self.perspective(self.cube_corner_points[edge[0]]))
point2d_b = self.to_middle(self.perspective(self.cube_corner_points[edge[1]]))
pygame.draw.line(self.screen, RED, point2d_a, point2d_b)
for point in self.cube_corner_points:
point2d = self.to_middle(self.perspective(point))
pygame.draw.circle(self.screen, GREEN, point2d, 5)
pygame.display.flip()
def perspective(self, point):
if self.orthogonal:
return self.orthogonal_perspective(point)
return self.project_perspective(point)
def orthogonal_perspective(self, point):
return compute.project_ortho(point, scale=self.camera_scale_ortho)
def project_perspective(self, point):
return compute.project_perspective(point, scale=self.camera_scale_project)
def to_middle(self, point):
return point[0] + self.screen_middle[0], point[1] + self.screen_middle[1]
if __name__ == "__main__":
cube = CubeGame()
cube.run()