def axes(length=1.0): glPushMatrix() scale(length) # y-axis arrow_2d() # z-axis glPushMatrix() rotate(90.0, 0.0, 0.0) arrow_2d() glPopMatrix() # x-axis glPushMatrix() rotate(0.0, 0.0, -90.0) arrow_2d() glPopMatrix() glPopMatrix()
def cube(*args, **kwargs):
global HasContext
if not HasContext:
glutInit()
HasContext = True
glPushMatrix()
scale(*args)
style = kwargs.get('style', 'wireframe')
texture = kwargs.get('texture', None)
if texture:
style = 'solid'
if style == 'wireframe':
glutWireCube(1.0)
elif style == 'solid':
#glutSolidCube(1.0)
if type(texture) == dict:
# top
texture['top'].bind()
glBegin(GL_QUADS)
glNormal3f( 0.0, 0.0, 1.0)
glTexCoord2f(0.0, 0.0); glVertex3f(-0.5, -0.5, 0.5)
glTexCoord2f(1.0, 0.0); glVertex3f( 0.5, -0.5, 0.5)
glTexCoord2f(1.0, 1.0); glVertex3f( 0.5, 0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f(-0.5, 0.5, 0.5)
glEnd()
# bottom
texture['bottom'].bind()
glBegin(GL_QUADS)
glNormal3f( 0.0, 0.0,-1.0)
glTexCoord2f(1.0, 0.0); glVertex3f(-0.5, -0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f(-0.5, 0.5, -0.5)
glTexCoord2f(0.0, 1.0); glVertex3f( 0.5, 0.5, -0.5)
glTexCoord2f(0.0, 0.0); glVertex3f( 0.5, -0.5, -0.5)
glEnd()
# sides
texture['sides'].bind()
glBegin(GL_QUADS)
# back
glNormal3f( 0.0, 1.0, 0.0)
glTexCoord2f(1.0, 0.0); glVertex3f(-0.5, 0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f(-0.5, 0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f( 0.5, 0.5, 0.5)
glTexCoord2f(0.0, 0.0); glVertex3f( 0.5, 0.5, -0.5)
# front
glNormal3f( 0.0, -1.0, 0.0)
glTexCoord2f(0.0, 0.0); glVertex3f(-0.5, -0.5, -0.5)
glTexCoord2f(1.0, 0.0); glVertex3f( 0.5, -0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f( 0.5, -0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f(-0.5, -0.5, 0.5)
# right
glNormal3f( 1.0, 0.0, 0.0)
glTexCoord2f(0.0, 0.0); glVertex3f( 0.5, -0.5, -0.5)
glTexCoord2f(1.0, 0.0); glVertex3f( 0.5, 0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f( 0.5, 0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f( 0.5, -0.5, 0.5)
# left
glNormal3f(-1.0, 0.0, 0.0)
glTexCoord2f(1.0, 0.0); glVertex3f(-0.5, -0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f(-0.5, -0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f(-0.5, 0.5, 0.5)
glTexCoord2f(0.0, 0.0); glVertex3f(-0.5, 0.5, -0.5)
glEnd()
else:
if texture:
texture.bind()
glBegin(GL_QUADS)
# top
glNormal3f( 0.0, 0.0, 1.0)
glTexCoord2f(0.0, 0.0); glVertex3f(-0.5, -0.5, 0.5)
glTexCoord2f(1.0, 0.0); glVertex3f( 0.5, -0.5, 0.5)
glTexCoord2f(1.0, 1.0); glVertex3f( 0.5, 0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f(-0.5, 0.5, 0.5)
# bottom
glNormal3f( 0.0, 0.0,-1.0)
glTexCoord2f(1.0, 0.0); glVertex3f(-0.5, -0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f(-0.5, 0.5, -0.5)
glTexCoord2f(0.0, 1.0); glVertex3f( 0.5, 0.5, -0.5)
glTexCoord2f(0.0, 0.0); glVertex3f( 0.5, -0.5, -0.5)
# sides
# back
glNormal3f( 0.0, 1.0, 0.0)
glTexCoord2f(1.0, 0.0); glVertex3f(-0.5, 0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f(-0.5, 0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f( 0.5, 0.5, 0.5)
glTexCoord2f(0.0, 0.0); glVertex3f( 0.5, 0.5, -0.5)
# front
glNormal3f( 0.0, -1.0, 0.0)
glTexCoord2f(0.0, 0.0); glVertex3f(-0.5, -0.5, -0.5)
glTexCoord2f(1.0, 0.0); glVertex3f( 0.5, -0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f( 0.5, -0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f(-0.5, -0.5, 0.5)
# right
glNormal3f( 1.0, 0.0, 0.0)
glTexCoord2f(0.0, 0.0); glVertex3f( 0.5, -0.5, -0.5)
glTexCoord2f(1.0, 0.0); glVertex3f( 0.5, 0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f( 0.5, 0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f( 0.5, -0.5, 0.5)
# left
glNormal3f(-1.0, 0.0, 0.0)
glTexCoord2f(1.0, 0.0); glVertex3f(-0.5, -0.5, -0.5)
glTexCoord2f(1.0, 1.0); glVertex3f(-0.5, -0.5, 0.5)
glTexCoord2f(0.0, 1.0); glVertex3f(-0.5, 0.5, 0.5)
glTexCoord2f(0.0, 0.0); glVertex3f(-0.5, 0.5, -0.5)
glEnd()
if texture:
texture.unbind()
else:
raise Exception('vroom.cube: invalid style value')
glPopMatrix()
