public Light getLight()
{
Light result = new Light();
result.setColor( Color.LightGoldenrodYellow);
result.setPower(210);
result.setLightRadius(280);
result.setVector(new Vector3(vector.X, vector.Y, .56f));
return result;
}
/// <summary>
/// Generate a Shadow Map.
/// </summary>
/// <returns></returns>
private Texture2D GenerateShadowMap()
{
GraphicsDevice.SetRenderTarget(_shadowMapRenderTarget);
GraphicsDevice.Clear(ClearOptions.Target | ClearOptions.DepthBuffer, Color.Black, 1, 0);
GraphicsDevice.BlendState = BlendState.AlphaBlend;
//Project a light onto the player.
List<Light> lights = new List<Light>();
Light light1 = new Light();
light1.setPower(60);
light1.setLightRadius(new Random().Next(289, 300));
light1.setColor(Color.LightGoldenrodYellow);
light1.setVector(new Vector3(graphics.PreferredBackBufferWidth/2, graphics.PreferredBackBufferHeight/2, .56f));
lights.Add(light1);
lights.AddRange(Light.getLights());
foreach(Light light in lights)
{
_lightEffect1.CurrentTechnique = _lightEffect1.Techniques["DeferredPointLight"];
if(light != light1)
{
if (light.getWorldPos().X + (Light.getStartVector().X) + graphics.PreferredBackBufferWidth + light.getLightRadius() < InputManager.getInstance().getCurrentPlayer().getX()) continue;
if (light.getWorldPos().X + (Light.getStartVector().X) - graphics.PreferredBackBufferWidth - light.getLightRadius() > InputManager.getInstance().getCurrentPlayer().getX()) continue;
_lightEffect1.Parameters["lightPosition"].SetValue(new Vector3(light.getWorldPos().X + (Light.getStartVector().X - InputManager.getInstance().getCurrentPlayer().getX()), light.getWorldPos().Y + (Light.getStartVector().Y - InputManager.getInstance().getCurrentPlayer().getY()), light.getWorldPos().Z));
}
else _lightEffect1.Parameters["lightPosition"].SetValue(light.getWorldPos());
_lightEffect1.Parameters["lightStrength"].SetValue(light.getPower());
_lightEffect1.Parameters["lightColor"].SetValue(light.getColor().ToVector3());
_lightEffect1.Parameters["lightRadius"].SetValue(light.getLightRadius());
_lightEffect1.Parameters["screenWidth"].SetValue(GraphicsDevice.Viewport.Width);
_lightEffect1.Parameters["screenHeight"].SetValue(GraphicsDevice.Viewport.Height);
_lightEffect1.Parameters["NormalMap"].SetValue(_normalMapTexture);
_lightEffect1.Parameters["DepthMap"].SetValue(_depthMapTexture);
spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Additive);
foreach (var pass in _lightEffect1.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _vertices, 0, 2);
}
spriteBatch.End();
}
GraphicsDevice.BlendState = BlendState.Opaque;
GraphicsDevice.SetRenderTarget(null);
//_colorMapTexture = _shadowMapRenderTarget;
return _shadowMapRenderTarget;
}