photon/demo/gl_cube.py
2011-06-18 15:27:22 -04:00

111 lines
3.2 KiB
Python

from photon import init, InitFlags, video
from photon.video import Window
from photon.events import EventType, poll_event, WindowEventType
import time
vertices = [-1.0, -1.0, -1.0,
1.0, -1.0, -1.0,
1.0, 1.0, -1.0,
-1.0, 1.0, -1.0,
-1.0, -1.0, 1.0,
1.0, -1.0, 1.0,
1.0, 1.0, 1.0,
-1.0, 1.0, 1.0]
colors = [0.0, 1.0, 0.0, 1.0,
0.0, 1.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0,
0.0, 0.0, 1.0, 1.0,
1.0, 0.0, 1.0, 1.0]
indices = [0, 4, 5, 0, 5, 1,
1, 5, 6, 1, 6, 2,
2, 6, 7, 2, 7, 3,
3, 7, 4, 3, 4, 0,
4, 7, 6, 4, 6, 5,
3, 0, 1, 3, 1, 2]
def main():
init(InitFlags.EVERYTHING)
window = Window('gl cube demo', 100, 100, 512, 512,
video.WindowFlags.OPENGL)
video.gl_set_attribute(video.GL_Attr.SDL_GL_MULTISAMPLEBUFFERS, 1)
video.gl_set_attribute(video.GL_Attr.SDL_GL_MULTISAMPLESAMPLES, 4)
video.gl_set_attribute(video.GL_Attr.SDL_GL_DOUBLEBUFFER, 1)
video.gl_set_attribute(video.GL_Attr.SDL_GL_DEPTH_SIZE, 24)
video.gl_set_attribute(video.GL_Attr.SDL_GL_RED_SIZE, 8)
video.gl_set_attribute(video.GL_Attr.SDL_GL_GREEN_SIZE, 8)
video.gl_set_attribute(video.GL_Attr.SDL_GL_BLUE_SIZE, 8)
video.gl_set_attribute(video.GL_Attr.SDL_GL_ALPHA_SIZE, 8)
window.gl_context
video.gl_set_swap_interval(1)
from OpenGL.GL import *
from OpenGL.GLU import gluPerspective
# setup gl perspective
glClearDepth(1)
glEnable(GL_DEPTH_TEST)
glDepthFunc(GL_LEQUAL)
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
glViewport(0, 0, 512, 512)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(45, 512/512, 0.1, 100)
glViewport(0, 0, 512, 512)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
running = True
start_time = time.time()
frames = 0
cube_rotation = 0
while running:
frames += 1
if frames == 1000:
print('FPS: {0:.2f}'.format(frames/(time.time()-start_time)))
frames = 0
start_time = time.time()
# event loop
while True:
event = poll_event()
if not event:
break
elif event.type == EventType.QUIT:
running = False
elif event.type == EventType.WINDOWEVENT:
if event.window.event == WindowEventType.CLOSE:
running = False
# setup state
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
glLoadIdentity()
glTranslatef(0, 0, -10)
glRotatef(cube_rotation, 1, 1, 1)
# draw cube
glFrontFace(GL_CW)
glVertexPointer(3, GL_FLOAT, 0, vertices)
glColorPointer(4, GL_FLOAT, 0, colors)
glEnableClientState(GL_VERTEX_ARRAY)
glEnableClientState(GL_COLOR_ARRAY)
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices)
glDisableClientState(GL_VERTEX_ARRAY)
glDisableClientState(GL_COLOR_ARRAY)
glLoadIdentity()
cube_rotation -= 0.15
window.swap()
if __name__ == '__main__':
main()