//简单的顶点着色器
v2f vert(a2v v)
{
v2f output = new v2f();
output.pos = Transform.MulMVPMat(v.pos);
return(output);
}
/// <summary>
/// 顶点处理
/// </summary>
private void RunVertShader()
{
for (int i = 0; i < VAO.VBO.Length; i++)
{
a2v a = VAO.VBO[i];
Vertex vert = srShader.VertShader(a);
SrVertices.Add(vert);
}
}
public void RunVertexShader()
{
for (int i = 0; i < vao.vbo.Length; i++)
{
a2v a = vao.vbo[i];
Vertex v = VertShader(a);
vertexList.Add(v);
}
}
public void FillVAO(Mesh mesh)
{
int cnt = mesh.vertexCount;
VBO = new a2v[cnt];
for (int i = 0; i < cnt; i++)
{
VBO[i] = new a2v(mesh.vertices[i],
mesh.normals[i],
mesh.uv[i]);
}
EBO = mesh.triangles;
}
public VAO(MeshFilter mf)
{
Mesh m = mf.sharedMesh;
vbo = new a2v[m.vertexCount];
for (int i = 0; i < m.vertexCount; i++)
{
a2v a = new a2v();
a.postion = m.vertices[i];
a.normal = m.normals[i];
a.uv = m.uv[i];
vbo[i] = a;
}
ebo = m.triangles;
}
public virtual Vertex VertShader(a2v i)
{
v2f v = new v2f();
v.postion = L2WMat.MultiplyPoint3x4(i.position);
v.normal = L2WMat.MultiplyVector(i.normal);
v.uv = i.uv;
Vertex vert = new Vertex();
Vector4 svp = i.position;
svp.w = 1f;
svp = MVPMat * svp;
vert.data = v;
vert.x = (svp.x / svp.w / 2 + 0.5f) * SoftRender.width;
vert.y = (svp.y / svp.w / 2 + 0.5f) * SoftRender.height;
vert.z = svp.z / svp.w / 2 + 0.5f;
return(vert);
}
Vertex VertShader(a2v a)
{
v2f v = new v2f();
v.postion = L2WMat.MultiplyPoint3x4(a.postion);
v.normal = L2WMat.MultiplyVector(a.normal);
v.uv = a.uv;
Vertex vert = new Vertex();
Vector4 svp = a.postion;
svp.w = 1f;
svp = MVPMat * svp;
vert.data = v;
vert.x = (svp.x / svp.w / 2 + 0.5f) * width;
vert.y = (svp.y / svp.w / 2 + 0.5f) * height;
vert.z = svp.z / svp.w / 2 + 0.5f;
return(vert);
}
public SilverObject(a2v instance) : base(instance)
{
_internal = instance;
}
