public void Init(Shader.ShadingType type, float [] verts, uint [] indices, Texture texture)
{
CleanObject();
shader = Shader.GetShader(type);
objPos = Matrix4.Identity;
tintColor = Utils.ColorToVector("ffffffff");
vertexBufferObject = GL.GenBuffer();
if (indices != null)
{
useIndices = true;
elementBufferObject = GL.GenBuffer();
}
// calculate strides strides
int stride = 3, size1 = 0;
switch (type)
{
case Shader.ShadingType.Flat2D: break;
case Shader.ShadingType.MultiColor2D: size1 = 3; break;
case Shader.ShadingType.Textured2D: size1 = 2; break;
case Shader.ShadingType.Textured3D: size1 = 2; is3D = true; usetexture = true; tintVar = "tintColor"; break;
case Shader.ShadingType.Flat3D: is3D = true; break;
case Shader.ShadingType.FlatNorm3D: size1 = 3; is3D = true; break;
}
stride += size1;
nTriangles = useIndices ? indices.Length : verts.Length / stride;
// VAO
vertexArrayObject = GL.GenVertexArray();
GL.BindVertexArray(vertexArrayObject);
// VBO
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBufferObject);
GL.BufferData(BufferTarget.ArrayBuffer, verts.Length * sizeof(float), verts, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, stride * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
if (size1 > 0)
{
GL.VertexAttribPointer(1, size1, VertexAttribPointerType.Float, false, stride * sizeof(float), 3 * sizeof(float));
GL.EnableVertexAttribArray(1);
}
if (useIndices)
{
// EBO
GL.BindBuffer(BufferTarget.ElementArrayBuffer, elementBufferObject);
GL.BufferData(BufferTarget.ElementArrayBuffer, indices.Length * sizeof(uint), indices, BufferUsageHint.StaticDraw);
}
if (usetexture)
{
this.texture = texture;
}
}
public void Init(Shader.ShadingType type, float[] verts, uint[] indices = null, string textureName = "")
{
Texture tex = null;
// texture
if (textureName != null && textureName.Length > 0)
{
tex = Texture.From(textureName);
}
Init(type, verts, indices, tex);
}
