def __init__(self, r, g, b, a, px, py, pz, ux, uy, uz, vx, vy, vz):
'''
Constructor
'''
self.position = VertexBuffer(12)
# Upper left
self.position.add_point(
Vector3(px - ux - vx, py - uy - vy, pz - uz - vz))
# upper left
self.position.add_point(
Vector3(px - ux + vx, py - uy + vy, pz - uz + vz))
# lower right
self.position.add_point(
Vector3(px + ux - vx, py + uy - vy, pz + uz - vz))
# upper right
self.position.add_point(
Vector3(px + ux + vx, py + uy + vy, pz + uz + vz))
self.r = r
self.g = g
self.b = b
self.a = a
def __init__(self, r, g, b, a,
px, py, pz,
ux, uy, uz,
vx, vy, vz):
'''
Constructor
'''
self.position = VertexBuffer(12)
# Upper left
self.position.add_point(Vector3(px - ux - vx, py - uy - vy, pz - uz - vz))
# upper left
self.position.add_point(Vector3(px - ux + vx, py - uy + vy, pz - uz + vz))
# lower right
self.position.add_point(Vector3(px + ux - vx, py + uy - vy, pz + uz - vz))
# upper right
self.position.add_point(Vector3(px + ux + vx, py + uy + vy, pz + uz + vz))
self.r = r
self.g = g
self.b = b
self.a = a
class ColoredQuad(object):
'''
Provides an abstraction so that colored rectangles
can be buffered and loaded into OpenGL
'''
def draw(self, gl):
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
gl.glDisableClientState(gl.GL_TEXTURE_COORD_ARRAY)
gl.glDisableClientState(gl.GL_COLOR_ARRAY)
# Enable blending if alpha != 1.
if self.a != 1:
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glDisable(gl.GL_TEXTURE_2D)
self.position.set(gl)
gl.glColor4f(self.r, self.g, self.b, self.a)
gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)
gl.glEnable(gl.GL_TEXTURE_2D)
# Disable blending if alpha != 1.
if self.a != 1:
gl.glDisable(gl.GL_BLEND)
def __init__(self, r, g, b, a,
px, py, pz,
ux, uy, uz,
vx, vy, vz):
'''
Constructor
'''
self.position = VertexBuffer(12)
# Upper left
self.position.add_point(Vector3(px - ux - vx, py - uy - vy, pz - uz - vz))
# upper left
self.position.add_point(Vector3(px - ux + vx, py - uy + vy, pz - uz + vz))
# lower right
self.position.add_point(Vector3(px + ux - vx, py + uy - vy, pz + uz - vz))
# upper right
self.position.add_point(Vector3(px + ux + vx, py + uy + vy, pz + uz + vz))
self.r = r
self.g = g
self.b = b
self.a = a
class ColoredQuad(object):
'''
Provides an abstraction so that colored rectangles
can be buffered and loaded into OpenGL
'''
def draw(self, gl):
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
gl.glDisableClientState(gl.GL_TEXTURE_COORD_ARRAY)
gl.glDisableClientState(gl.GL_COLOR_ARRAY)
# Enable blending if alpha != 1.
if self.a != 1:
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glDisable(gl.GL_TEXTURE_2D)
self.position.set(gl)
gl.glColor4f(self.r, self.g, self.b, self.a)
gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)
gl.glEnable(gl.GL_TEXTURE_2D)
# Disable blending if alpha != 1.
if self.a != 1:
gl.glDisable(gl.GL_BLEND)
def __init__(self, r, g, b, a, px, py, pz, ux, uy, uz, vx, vy, vz):
'''
Constructor
'''
self.position = VertexBuffer(12)
# Upper left
self.position.add_point(
Vector3(px - ux - vx, py - uy - vy, pz - uz - vz))
# upper left
self.position.add_point(
Vector3(px - ux + vx, py - uy + vy, pz - uz + vz))
# lower right
self.position.add_point(
Vector3(px + ux - vx, py + uy - vy, pz + uz - vz))
# upper right
self.position.add_point(
Vector3(px + ux + vx, py + uy + vy, pz + uz + vz))
self.r = r
self.g = g
self.b = b
self.a = a
