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@davepape
Created September 24, 2013 12:46
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interactive transformation - simple keyboard controls
import sys, math, random
from pyglet.gl import *
window = pyglet.window.Window()
points = [0,0]
colors = [1,1,1]
for i in range(0,41):
angle = (i/40.0) * math.pi * 2
x,y = math.sin(angle), math.cos(angle)
r,g,b = random.uniform(0,1), random.uniform(0,1), random.uniform(0,1)
points += [x,y]
colors += [r,g,b]
wheel = pyglet.graphics.vertex_list(42, ('v2f', points), ('c3f', colors))
wheelScale = 25.0
wheelRot = 0
wheelTrans = [50,50]
@window.event
def on_draw():
glClear(GL_COLOR_BUFFER_BIT)
glLoadIdentity()
glTranslatef(wheelTrans[0], wheelTrans[1], 0)
glRotatef(wheelRot, 0, 0, 1)
glScalef(wheelScale, wheelScale, wheelScale)
wheel.draw(GL_TRIANGLE_FAN)
@window.event
def on_key_press(key,modifiers):
global wheelScale, wheelRot, wheelTrans
if key == pyglet.window.key.ESCAPE:
sys.exit(0)
elif key == pyglet.window.key.W:
wheelTrans[1] += 20
elif key == pyglet.window.key.A:
wheelTrans[0] -= 20
elif key == pyglet.window.key.S:
wheelTrans[1] -= 20
elif key == pyglet.window.key.D:
wheelTrans[0] += 20
elif key == pyglet.window.key.UP:
wheelScale += 2
elif key == pyglet.window.key.DOWN:
wheelScale -= 2
elif key == pyglet.window.key.LEFT:
wheelRot += 10
elif key == pyglet.window.key.RIGHT:
wheelRot -= 10
pyglet.app.run()
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