public ITriMesh FromShape(Shape shape)
{
var tris = new int[3 * (shape.Points.Length - 1)];
for (var i = 0; i < shape.Points.Length - 1; i++)
{
tris[3 * i] = 0;
tris[3 * i + 1] = i + 1;
tris[3 * i + 2] = i;
}
var verts = new Vertex[shape.Points.Length];
for (var i = 0; i < shape.Points.Length; i++)
{
verts[i] = new Vertex {
Position = new Vector4(shape.Points[i])
};
}
var iBuf = D3D11.Buffer.Create(m_Graphics.Device,
D3D11.BindFlags.IndexBuffer,
tris);
var vBuf = D3D11.Buffer.Create(m_Graphics.Device,
D3D11.BindFlags.VertexBuffer,
verts);
var triMesh = new SharpDXTriMesh(m_Graphics, iBuf, vBuf, tris.Length, verts.Length);
m_TriMeshes.Add(triMesh);
return(triMesh);
}
/*-------------------------------------
* PUBLIC METHODS
*-----------------------------------*/
public ITriMesh CreateQuad(float width, float height)
{
var hh = 0.5f * height;
var hw = 0.5f * width;
var tris = new [] {
0, 1, 2,
0, 2, 3
};
var verts = new [] {
new Vertex {
Position = new Vector4(-hw, -hh), TexCoord = new Vector2(0.0f, 1.0f)
},
new Vertex {
Position = new Vector4(-hw, hh), TexCoord = new Vector2(0.0f, 0.0f)
},
new Vertex {
Position = new Vector4(hw, hh), TexCoord = new Vector2(1.0f, 0.0f)
},
new Vertex {
Position = new Vector4(hw, -hh), TexCoord = new Vector2(1.0f, 1.0f)
},
};
var iBuf = D3D11.Buffer.Create(m_Graphics.Device,
D3D11.BindFlags.IndexBuffer,
tris);
var vBuf = D3D11.Buffer.Create(m_Graphics.Device,
D3D11.BindFlags.VertexBuffer,
verts);
var triMesh = new SharpDXTriMesh(m_Graphics, iBuf, vBuf, tris.Length, verts.Length);
m_TriMeshes.Add(triMesh);
return(triMesh);
}