def InitGraphics(self, handle):
"""Creates the Direct3D device which is used to render the scene. Pops
up a message box and returns False on failure (returns True on success).
"""
params = Direct3D.PresentParameters()
params.Windowed = True
params.SwapEffect = Direct3D.SwapEffect.Discard
params.EnableAutoDepthStencil = True
params.AutoDepthStencilFormat = Direct3D.DepthFormat.D16
self.Device = Direct3D.Device(
0, Direct3D.DeviceType.Hardware, handle,
Direct3D.CreateFlags.SoftwareVertexProcessing, params)
self.Device.RenderState.ZBufferEnable = True
self.Device.Transform.Projection = DirectX.Matrix.PerspectiveFovLH(
System.Math.PI / 4.0, 1, 1, 100)
self.Device.Transform.View = DirectX.Matrix.LookAtLH(
DirectX.Vector3(0, 3, -5), DirectX.Vector3(0, 0, 0),
DirectX.Vector3(0, 1, 0))
self.Device.RenderState.Ambient = Drawing.Color.White
# ensure we are not paused
self.Paused = False
return True
def LookAt(self, position, up=DirectX.Vector3(0, 1, 0)):
"""Takes in a position to look at and an up vector to use to look at
it with. The up vector will normally be the positive Y axis, but in
the case where the position is directly above or below the position
of the camera, you will need to set which direction up is in this
case."""
zero = DirectX.Vector3(0, 0, 0)
direction = Vectorize(position) - self.Position
up = Vectorize(up)
self.LookAtMatrix = DirectX.Matrix.LookAtLH(zero, direction, up)
self.RotationMatrix = DirectX.Matrix.Identity
def Vectorize(v):
"Converts v from a sequence into a Vector3."
if operator.isSequenceType(v):
v = DirectX.Vector3(System.Single(v[0]), System.Single(v[1]),
System.Single(v[2]))
return v
def __DelPosition(self):
self.__Position = DirectX.Vector3(0, 0, 0)
self.PositionMatrix = DirectX.Matrix.Identity
def LookAt(self, pos, up=DirectX.Vector3(0, 1, 0)):
pos, up = Vectorize(pos), Vectorize(up)
self.RotationMatrix = DirectX.Matrix.LookAtLH(self.Position, pos, up) * \
DirectX.Matrix.Translation(-self.Position)
def Vectorize(v):
if type(v) == list:
v = DirectX.Vector3(v[0], v[1], v[2])
return v
def __UpdateMatrix(self):
self.Matrix = DirectX.Matrix.LookAtLH(self.__Position,
self.__LookAtVector,
DirectX.Vector3(0, 1, 0))
def __init__(self, name):
self.Name = name
self.__LookAtVector = DirectX.Vector3(0, 0, -1)
self.__Position = DirectX.Vector3(0, 0, 0)
def __DelPosition(self):
self.__Position = DirectX.Vector3(0, 0, 0)
def __init__(self):
self.__Position = DirectX.Vector3(0, 0, 0)
