使用Pygame + PyOpenGL,绘制到曲面而不是直接绘制到显示器,可以通过以下步骤实现:
import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *
pygame.init()
display = (800, 600)
pygame.display.set_mode(display, DOUBLEBUF | OPENGL)
gluPerspective(45, (display[0] / display[1]), 0.1, 50.0)
glTranslatef(0.0, 0.0, -5)
def create_surface():
vertices = (
(1, -1, -1),
(1, 1, -1),
(-1, 1, -1),
(-1, -1, -1),
(1, -1, 1),
(1, 1, 1),
(-1, -1, 1),
(-1, 1, 1)
)
edges = (
(0, 1),
(1, 2),
(2, 3),
(3, 0),
(4, 5),
(5, 6),
(6, 7),
(7, 4),
(0, 4),
(1, 5),
(2, 6),
(3, 7)
)
surfaces = (
(0, 1, 2, 3),
(3, 2, 7, 6),
(6, 7, 5, 4),
(4, 5, 1, 0),
(1, 5, 7, 2),
(4, 0, 3, 6)
)
colors = (
(1, 0, 0),
(0, 1, 0),
(0, 0, 1),
(1, 1, 0),
(1, 0, 1),
(0, 1, 1)
)
return vertices, edges, surfaces, colors
def draw_surface(vertices, edges, surfaces, colors):
glBegin(GL_QUADS)
for surface in surfaces:
for vertex in surface:
glColor3fv(colors[surfaces.index(surface)])
glVertex3fv(vertices[vertex])
glEnd()
glBegin(GL_LINES)
for edge in edges:
for vertex in edge:
glVertex3fv(vertices[vertex])
glEnd()
def main():
vertices, edges, surfaces, colors = create_surface()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
glRotatef(1, 3, 1, 1)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
draw_surface(vertices, edges, surfaces, colors)
pygame.display.flip()
pygame.time.wait(10)
main()
通过以上步骤,我们可以使用Pygame + PyOpenGL绘制一个曲面,并在窗口中展示出来。这种方式可以实现更加灵活的绘制效果,可以在曲面上进行各种变换和操作,而不仅仅局限于直接绘制到显示器上。
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