public LightingDemo(IntPtr hInstance) : base(hInstance) {
_landVB = null;
_landIB = null;
_waveVB = null;
_waveIB = null;
_fx = null;
_tech = null;
_fxWorld = null;
_fxWIT = null;
_fxEyePosW = null;
_fxDirLight = null;
_fxPointLight = null;
_fxSpotLight = null;
_fxMaterial = null;
_fxWVP = null;
_inputLayout = null;
_eyePosW = new Vector3();
_theta = 1.5f*MathF.PI;
_phi = 0.1f*MathF.PI;
_radius = 80.0f;
MainWindowCaption = "Lighting Demo";
_lastMousePos = new Point();
_landWorld = Matrix.Identity;
_wavesWorld = Matrix.Translation(0, -3.0f, 0);
_view = Matrix.Identity;
_proj = Matrix.Identity;
_dirLight = new DirectionalLight {
Ambient = new Color4(0.2f, 0.2f, 0.2f),
Diffuse = new Color4(0.5f, 0.5f, 0.5f),
Specular = new Color4(0.5f, 0.5f, 0.5f),
Direction = new Vector3(0.57735f, -0.57735f, 0.57735f)
};
_pointLight = new PointLight {
Ambient = new Color4(0.3f, 0.3f, 0.3f),
Diffuse = new Color4(0.7f, 0.7f, 0.7f),
Specular = new Color4(0.7f, 0.7f, 0.7f),
Attenuation = new Vector3(0.0f, 0.1f, 0.0f),
Range = 25.0f
};
_spotLight = new SpotLight {
Ambient = new Color4(0,0,0),
Diffuse = new Color4(1.0f, 1.0f, 0.0f),
Specular = Color.White,
Attenuation = new Vector3(1.0f, 0.0f, 0.0f),
Spot = 96.0f,
Range = 10000.0f
};
// NOTE: must put alpha (spec power) first, rather than last as in book code
_landMaterial = new Material {
Ambient = new Color4(1.0f, 0.48f, 0.77f, 0.46f),
Diffuse = new Color4(1.0f, 0.48f, 0.77f, 0.46f),
Specular = new Color4(16.0f, 0.2f, 0.2f, 0.2f)
};
_wavesMaterial = new Material {
Ambient = new Color4(0.137f, 0.42f, 0.556f),
Diffuse = new Color4(0.137f, 0.42f, 0.556f),
Specular = new Color4(96.0f, 0.8f, 0.8f, 0.8f)
};
}
public void RenderMinimap(DirectionalLight[] lights)
{
_dc.OutputMerger.SetTargets((DepthStencilView)null, _minimapRTV);
_dc.Rasterizer.SetViewports(_minimapViewport);
_dc.ClearRenderTargetView(_minimapRTV, Color.White);
_terrain.Draw(_dc, _orthoCamera, lights);
DrawCameraFrustum();
}