def axis(vertices, position, angle):
AXIS_SIZE = 0.1
transform = Transform(position, angle)
xaxis = transform.apply_vector(Vec2(AXIS_SIZE, 0.0))
yaxis = transform.apply_vector(Vec2(0.0, AXIS_SIZE))
c = position
cx = c + xaxis
cx = Vec3(cx.x, cx.y, 0.0)
cy = c + yaxis
cy = Vec3(cy.x, cy.y, 0.0)
c = Vec3(position.x, position.y, 0.0)
xcolor = Vec3(0.5, 0.0, 0.0)
ycolor = Vec3(0.0, 0.5, 0.0)
vertices.append((c, xcolor))
vertices.append((cx, xcolor))
vertices.append((c, ycolor))
vertices.append((cy, ycolor))
def setup(self):
super(GameControllerNode, self).setup()
# set up
window = WindowNode(name='window', parent=self)
window.open()
window.make_context_current()
gl.init()
err = gl.getError()
if err:
print("WINDOW OPEN ERROR:", err)
scene = SceneNode(name='scene', parent=window) # scenenode.SceneNode(name='scene')
debugdraw_renderer = debugdraw.RendererNode(name='debugdraw_renderer', parent=scene)
sprite_renderer = spritenode.RendererNode(name="sprite_renderer", parent=scene)
camera_transform = transformnode.TransformNode3D(name='camera_transform', parent=scene, m=Mat4.Translation(Vec3(0.0, 0.0, 3.0)))
camera = debugdraw.CameraNode(name='camera', parent=camera_transform)
camera.make_current()
# camera_controller = CameraController(input_map=InputMap(), parent=camera_transform)
window.on('key', self.key_callback)
gl.enable(gl.DEPTH_TEST)
gl.enable(gl.BLEND)
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
updater = BoundsUpdater(parent=scene, name='updater')
b0 = BodyNode(position=(0.0, -1.0), velocity=(0.0, 0.1), angle=0.0, angular_velocity=0.0, name="body0", parent=scene)
b1 = BodyNode(position=(0.0, 1.0), velocity=(0.0, -0.1), angle=0.0, angular_velocity=0.0, name="body1", parent=scene)
shape = CircleShapeNode(radius=0.1, center=(0.0, 0.0), name='shap0', parent=b0)
shape_debugdraw = debugdraw.ShapeNode.Circle(radius=0.1, center=shape.center, nverts=8, name='draw_shape0', parent=shape)
shape = CircleShapeNode(radius=0.1, center=(0.0, 0.0), name='shape1', parent=b1)
shape_debugdraw = debugdraw.ShapeNode.Circle(radius=0.1, center=shape.center, nverts=8, name='draw_shape1', parent=shape)
return
# random scene
NVERTS = 8
for i in range(5):
ANGULAR_VELOCITY = 2.0
body = BodyNode(
position=(random.uniform(-1.0, 1.0), random.uniform(-1.0, 1.0)),
velocity=(random.uniform(-0.1, 0.1), random.uniform(-0.1, 0.1)),
angle=random.uniform(-math.pi, math.pi),
angular_velocity=random.uniform(-ANGULAR_VELOCITY*math.pi, ANGULAR_VELOCITY*math.pi),
name='body%s' % i,
parent=scene
)
for j in range(3):
if random.uniform(0.0, 1.0) < 1.0:
shape = CircleShapeNode(radius=0.1, center=(random.uniform(-0.2, 0.2), random.uniform(-0.2, 0.2)), name='shape%i'%j, parent=body)
shape_debugdraw = debugdraw.ShapeNode.Circle(radius=0.1, center=shape.center, nverts=NVERTS, name='draw_shape%i'%j, parent=shape)
else:
transform = Transform(Vec2(random.uniform(-0.2, 0.2), random.uniform(-0.2, 0.2)), random.uniform(-math.pi, math.pi))
w = random.uniform(0.1, 0.2) * 0.5
h = random.uniform(0.1, 0.2) * 0.5
vertices = [Vec2(w, h), Vec2(-w, h), Vec2(-w, -h), Vec2(w, -h)]
radius = 0.1
nverts = 20
step = math.pi * 2.0 / nverts
center = Vec2()
#vertices = [Vec2(math.cos(step*i)*radius+center.x, math.sin(step*i)*radius+center.y) for i in range(nverts)]
vertices = [transform.apply(v) for v in vertices]
shape = PolygonShapeNode(vertices, name='shape%i'%j, parent=body)
m = math.pi * radius * radius
print("M:", shape.compute_mass(), m, m * 0.5 * math.pi * radius * radius)
color = (1.0, 1.0, 1.0)
#draw_vertices = [(Vec3(v.x, v.y, 0.0), color) for v in vertices]
draw_vertices = []
for i, v in enumerate(vertices):
v0 = vertices[(i-1)%len(vertices)]
draw_vertices.append((Vec3(v0.x, v0.y, 0.0), color))
draw_vertices.append((Vec3(v.x, v.y, 0.0), color))
shape_debugdraw = debugdraw.ShapeNode(vertices=draw_vertices, name='draw_shape%i'%j, parent=body)
