void GS_Circle(VS_GS[] input, TriangleStream <PS_IN> spriteStream)
{
PS_IN v = new PS_IN();
// center vertex
v.Color = input[0].Color;
v.UV = new Vector4();
Vector4 center = new Vector4(input[0].Pos, 0, 1);
float segs = input[0].Rotation;
Vector2 radius = input[0].Size;
Vector2 startEnd = input[0].Origin;
float range = startEnd.Y - startEnd.X;
float angleInc = degToRad360 / segs;
float angle = startEnd.X;
float remaining = range;
float inc = 0;
float doEdge = 0; // if 0, we place a center point for the strip to orient around.
float vCount = (segs * 2) + 2;
for (int i = 0; i < vCount; i++)
{
v.Pos = center + (doEdge * new Vector4(Sin(angle) * radius.X, Cos(angle) * radius.Y, 0, 0));
v.Pos = Mul(v.Pos, wvp);
inc = Min(angleInc, remaining);
angle += inc * doEdge;
remaining -= inc * doEdge;
doEdge = 1 - doEdge;
spriteStream.Append(v);
}
}
void GS_Line(VS_GS[] input, TriangleStream <PS_IN> spriteStream)
{
PS_IN v = new PS_IN();
v.Color = input[0].Color;
v.UV = new Vector4();
Vector2 p1 = input[0].Pos;
Vector2 p2 = input[0].Size;
Vector2 dir = p2 - p1;
Vector2 normal = Normalize(new Vector2(-dir.Y, dir.X));
float thickness = input[0].Rotation * 0.5f;
// Vertex p1 vertex 0 (v0)
v.Pos = new Vector4(p1 - (thickness * normal), 0, 1);
v.Pos = Mul(v.Pos, wvp);
spriteStream.Append(v);
// Vertex p1 vertex 1 (v1)
v.Pos = new Vector4(p1 + (thickness * normal), 0, 1);
v.Pos = Mul(v.Pos, wvp);
spriteStream.Append(v);
// Vertex p2 vertex 0 (v2)
v.Color = input[0].UV;
v.Pos = new Vector4(p2 - (thickness * normal), 0, 1);
v.Pos = Mul(v.Pos, wvp);
spriteStream.Append(v);
// Vertex p2 vertex 1 (v3)
v.Pos = new Vector4(p2 + (thickness * normal), 0, 1);
v.Pos = Mul(v.Pos, wvp);
spriteStream.Append(v);
}
void GS(VS_GS[] input, TriangleStream <PS_IN> spriteStream)
{
PS_IN v = new PS_IN();
VS_GS g = input[0];
v.Color = g.Color;
Matrix2x2 rot = GetRotation(input[0].Rotation);
Vector2 origin = g.Origin.XY;
Vector2 pos = g.Pos.XY;
Vector2 size = g.Size.XY;
Vector2 uv = g.UV.XY;
Vector2 p;
for (int i = 0; i < 4; i++)
{
p = Mul(size * (spriteCorners[i] - origin), rot);
p += pos;
v.Pos = new Vector4(p, 0, 1);
v.Pos = Mul(v.Pos, wvp);
v.UV.X = uv[uvTable[i].X];
v.UV.Y = uv[uvTable[i].Y];
v.UV.Z = g.ArraySlice;
spriteStream.Append(v);
}
}
Texture2D<float4> _TexSpecularAlbedo; //: register( t11 );
#endregion Fields
#region Methods
PS_OUT PS( PS_IN _In )
{
PS_OUT Out;
Out.DiffuseAlbedo = _DiffuseAlbedo;
if ( _HasDiffuseTexture )
Out.DiffuseAlbedo = _TexDiffuseAlbedo.Sample( LinearWrap, _In.UV ).xyz;
// Out.NormalDistance = _float4( normalize( _In.Normal ), length( _In.Position - _Camera2World[3].xyz ) ); // Store distance
Out.NormalDistance = _float4( normalize( _In.Normal ), dot( _In.Position - _Camera2World[3].xyz, _Camera2World[2].xyz ) ); // Store Z
return Out;
}
PS_OUT PS(PS_IN _In)
{
PS_OUT Out;
Out.DiffuseAlbedo = _DiffuseAlbedo;
if (_HasDiffuseTexture)
{
Out.DiffuseAlbedo = _TexDiffuseAlbedo.Sample(LinearWrap, _In.UV).xyz;
}
// Out.NormalDistance = _float4( normalize( _In.Normal ), length( _In.Position - _Camera2World[3].xyz ) ); // Store distance
Out.NormalDistance = _float4(normalize(_In.Normal), dot(_In.Position - _Camera2World[3].xyz, _Camera2World[2].xyz)); // Store Z
return(Out);
}
void GS_Tri(VS_GS[] input, TriangleStream <PS_IN> spriteStream)
{
PS_IN v = new PS_IN();
v.Color = input[0].Color;
v.UV = new Vector4();
// p1
v.Pos = Mul(new Vector4(input[0].Pos, 0, 1), wvp);
spriteStream.Append(v);
// p3
v.Pos = Mul(new Vector4(input[0].Origin, 0, 1), wvp);
spriteStream.Append(v);
// p2
v.Pos = Mul(new Vector4(input[0].Size, 0, 1), wvp);
spriteStream.Append(v);
}
Vector4 PS_NoTexture(PS_IN input)
{
return(input.Color);
}
Vector4 PS(PS_IN input)
{
Vector4 col = mapDiffuse.Sample(diffuseSampler, input.UV.XYZ);
return(col * input.Color);
}
