/// <summary>
/// Create the geometry and the VBO (vertex and index buffers)
/// for light-geoemtry
/// Call it once in the scene initialization
/// </summary>
private void CreateQuadBuffer()
{
this.deferredLightingVariables = new DeferredLightingVariables(this.renderHost.Effects);
var vertices = new[]
{
new Vector4(-1.0f, -1.0f, 0.0f, 1.0f),
new Vector4(+1.0f, -1.0f, 0.0f, 1.0f),
new Vector4(+1.0f, +1.0f, 0.0f, 1.0f),
new Vector4(-1.0f, +1.0f, 0.0f, 1.0f),
};
int[] indices = { 0, 1, 2, 2, 3, 0 };
this.screenQuad = new LightGeometryData()
{
IndexBuffer = this.device.CreateBuffer(BindFlags.IndexBuffer, sizeof(int), indices),
VertexBuffer = this.device.CreateBuffer(BindFlags.VertexBuffer, Vector4.SizeInBytes, vertices),
IndexCount = indices.Length,
};
}
/// <summary>
/// Create the geometry and the VBO (vertex and index buffers)
/// for light-geoemtry
/// Call it once in the scene initialization
/// </summary>
private void CreateSphereBuffer()
{
this.deferredLightingVariables = new DeferredLightingVariables(this.renderHost.Effects);
#if EXERCISE
// TODO 2:
// - generate a sphere mesh using the MeshBuilder()
// - fill the screenSphere struct
#else
var b1 = new MeshBuilder();
b1.AddSphere(new Vector3(0, 0, 0), 1.0);
MeshGeometry3D meshGeometry = b1.ToMeshGeometry3D();
var vertices = meshGeometry.Positions.Select(p => new Vector4(p, 1.0f)).ToArray();
int[] indices = meshGeometry.Indices;
this.screenSphere = new LightGeometryData()
{
IndexBuffer = this.device.CreateBuffer(BindFlags.IndexBuffer, sizeof(int), indices),
VertexBuffer = this.device.CreateBuffer(BindFlags.VertexBuffer, Vector4.SizeInBytes, vertices),
IndexCount = meshGeometry.Indices.Length,
};
#endif
}
/// <summary>
/// Create the geometry and the VBO (vertex and index buffers)
/// for light-geoemtry
/// Call it once in the scene initialization
/// </summary>
private void CreateSphereBuffer()
{
this.deferredLightingVariables = new DeferredLightingVariables(this.renderHost.Effects);
#if EXERCISE
// TODO 2:
// - generate a sphere mesh using the MeshBuilder()
// - fill the screenSphere struct
#else
var b1 = new MeshBuilder();
b1.AddSphere(new Vector3(0, 0, 0), 1.0);
MeshGeometry3D meshGeometry = b1.ToMeshGeometry3D();
var vertices = meshGeometry.Positions.Select(p => new Vector4(p, 1.0f)).ToArray();
int[] indices = meshGeometry.Indices;
this.screenSphere = new LightGeometryData()
{
IndexBuffer = this.device.CreateBuffer(BindFlags.IndexBuffer, sizeof(int), indices),
VertexBuffer = this.device.CreateBuffer(BindFlags.VertexBuffer, Vector4.SizeInBytes, vertices),
IndexCount = meshGeometry.Indices.Length,
};
#endif
}
/// <summary>
/// Create the geometry and the VBO (vertex and index buffers)
/// for light-geoemtry
/// Call it once in the scene initialization
/// </summary>
private void CreateQuadBuffer()
{
this.deferredLightingVariables = new DeferredLightingVariables(this.renderHost.Effects);
var vertices = new[]
{
new Vector4(-1.0f, -1.0f, 0.0f, 1.0f),
new Vector4(+1.0f, -1.0f, 0.0f, 1.0f),
new Vector4(+1.0f, +1.0f, 0.0f, 1.0f),
new Vector4(-1.0f, +1.0f, 0.0f, 1.0f),
};
int[] indices = { 0, 1, 2, 2, 3, 0 };
this.screenQuad = new LightGeometryData()
{
IndexBuffer = this.device.CreateBuffer(BindFlags.IndexBuffer, sizeof(int), indices),
VertexBuffer = this.device.CreateBuffer(BindFlags.VertexBuffer, Vector4.SizeInBytes, vertices),
IndexCount = indices.Length,
};
}
