void updateChaseLight(GameTime gameTime)
{
KeyboardState keyState = Keyboard.GetState();
Vector3 rotChange = new Vector3(0, 0, 0);
if (keyState.IsKeyDown(Keys.Up))
{
rotChange += new Vector3(1, 0, 0);
}
if (keyState.IsKeyDown(Keys.Down))
{
rotChange += new Vector3(-1, 0, 0);
}
if (keyState.IsKeyDown(Keys.Left))
{
rotChange += new Vector3(0, 1, 0);
}
if (keyState.IsKeyDown(Keys.Right))
{
rotChange += new Vector3(0, -1, 0);
}
chaseLight.Rotate(rotChange * .025f);
chaseLight.Move(models[0].Position,
models[0].Rotation);
chaseLight.Update();
mat.SetEffectParameters(effect);
}
public void Draw(Matrix View, Matrix Projection, Vector3 CameraPosition)
{
// Calculate the base transformation by combining
// translation, rotation, and scaling
Matrix baseWorld = Matrix.CreateScale(Scale)
* Matrix.CreateFromYawPitchRoll(
Rotation.Y, Rotation.X, Rotation.Z)
* Matrix.CreateTranslation(Position);
foreach (ModelMesh mesh in Model.Meshes)
{
Matrix localWorld = modelTransforms[mesh.ParentBone.Index]
* baseWorld;
foreach (ModelMeshPart meshPart in mesh.MeshParts)
{
Effect effect = meshPart.Effect;
if (effect is BasicEffect)
{
((BasicEffect)effect).World = localWorld;
((BasicEffect)effect).View = View;
((BasicEffect)effect).Projection = Projection;
if (enableLighting)
{
((BasicEffect)effect).EnableDefaultLighting();
}
}
else
{
setEffectParameter(effect, "World", localWorld);
setEffectParameter(effect, "View", View);
setEffectParameter(effect, "Projection", Projection);
setEffectParameter(effect, "CameraPosition", CameraPosition);
Material.SetEffectParameters(effect);
}
}
mesh.Draw();
}
}