def main():
global cameraFrame
cameraFrame = CameraFrame()
cameraFrame.moveBack(2)
pygame.init()
screen = pygame.display.set_mode((512,512), OPENGL|DOUBLEBUF)
clock = pygame.time.Clock()
init()
time = 0.0
while True:
clock.tick(30)
time += 0.01
# Event queued input
for event in pygame.event.get():
if event.type == QUIT:
return
if event.type == KEYUP and event.key == K_ESCAPE:
return
# Polling input is better for a real time camera
pressed = pygame.key.get_pressed()
# arrow keys for movement:
displacement = 0.01
if pressed[K_RIGHT]:
cameraFrame.moveRight(displacement)
if pressed[K_LEFT]:
cameraFrame.moveRight(-displacement)
if pressed[K_UP]:
cameraFrame.moveBack(-displacement)
if pressed[K_DOWN]:
cameraFrame.moveBack(displacement)
# wasd for rotation:
displacement = 0.01
if pressed[K_d]:
cameraFrame.yaw(-displacement)
if pressed[K_a]:
cameraFrame.yaw(displacement)
if pressed[K_w]:
cameraFrame.pitch(-displacement)
if pressed[K_s]:
cameraFrame.pitch(displacement)
display(time)
pygame.display.flip()
def main():
global cameraFrame, screen, proj
cameraFrame = CameraFrame()
cameraFrame.moveBack(3)
pygame.init()
pygame.mouse.set_cursor(*pygame.cursors.broken_x)
width, height = 1024,768
screen = pygame.display.set_mode((width, height), OPENGL|DOUBLEBUF)
# compute projection
aspectRatio = float(width)/float(height)
near = 0.01
far = 100.0
lens = 4.0 # "longer" lenses mean more telephoto
clock = pygame.time.Clock()
init()
time = 0.0
while True:
clock.tick(30)
time += 0.01
# Event queued input
for event in pygame.event.get():
if event.type == QUIT:
return
if event.type == KEYUP and event.key == K_ESCAPE:
return
# Polling input is better for a real time camera
pressed = pygame.key.get_pressed()
# keys for zoom:
if pressed[K_z]:
lens *= 1.015
if pressed[K_x]:
lens /= 1.015
# redo projection:
yRatio = 1.0/lens
xRatio = aspectRatio*yRatio
right = near*xRatio
top = near*yRatio
proj = projection(near,far,right,top)
# arrow keys for movement:
movespeed = 0.05
if pressed[K_d] | pressed[K_RIGHT]:
cameraFrame.moveRight(movespeed)
if pressed[K_a] | pressed[K_LEFT]:
cameraFrame.moveRight(-movespeed)
if pressed[K_w] | pressed[K_UP]:
cameraFrame.moveBack(-movespeed)
if pressed[K_s] | pressed[K_DOWN]:
cameraFrame.moveBack(movespeed)
# mouse for rotation
rotspeed = 0.1
mousespeed = 0.5*rotspeed
x,y = pygame.mouse.get_pos()
if (x > 0) & (y > 0):
xDisplacement = x - 0.5*width
yDisplacement = y - 0.5*height
# normalize:
xNormed = xDisplacement/width
yNormed = -yDisplacement/height
newx = int(x - xDisplacement*mousespeed)
newy = int(y - yDisplacement*mousespeed)
if (newx != x) | (newy != y):
cameraFrame.yaw(-xNormed*xRatio*rotspeed)
cameraFrame.pitch(-yNormed*yRatio*rotspeed)
pygame.mouse.set_pos((newx,newy))
display(time)
pygame.display.flip()
