def render(self): self.points = [] #list containing points to_draw = [] pos = self.position() direc = Vector(self, 0.0, 0.0, -1.0) if self.collide: i = 0 raypicker = self.get_root() while direc is not None and (i <= self.max_reflect): i = i + 1 impact = raypicker.raypick(pos, direc, -1.0) if not impact: pos = pos + (direc * 32000.0) direc = None else: pos = impact[0] if self.reflect: normal = impact[1] % self normal.normalize() # changing coordsys can alterate normal size normal.set_length(-2.0 * direc.dot_product(normal)) direc = normal + direc else: direc = None to_draw.append(pos) self.points.append(pos) else: pos = pos + (direc * 32000.0) to_draw.append(pos) #rendering part DEFAULT_MATERIAL.activate() glDisable(GL_TEXTURE_2D) glDisable(GL_LIGHTING) glColor4f(*self.color) glBegin(GL_LINE_STRIP) glVertex3f(0.0, 0.0, 0.0) for pos in to_draw: glVertex3f(*self.transform_point(pos.x, pos.y, pos.z, pos.parent)) glEnd() glEnable(GL_LIGHTING) glEnable(GL_TEXTURE_2D)
