OpenTkEngine.Core.Graphics.RenderQuad C# (CSharp) Method

Graphics Class Documentation 显示文件 Open project: jikoriko/OpentkEngine

RenderQuad() private static method

private static RenderQuad ( float x, float y, float z, float width, float height, int offset, int count ) : void
x	float
y	float
z	float
width	float
height	float
offset	int
count	int
return	void

        private static void RenderQuad(float x, float y, float z, float width, float height, int offset, int count)
        {
            if (_currentVao != _vao)
                BindSquare();
            if (_texCoordsChanged)
                BindTextureCoords();

            int uModelLocation = _currentShader.GetUniformLocation("uModel");
            Matrix4 matrix = Matrix4.CreateScale(width, height, 0) * Matrix4.CreateTranslation(x, y, z);
            GL.UniformMatrix4(uModelLocation, true, ref matrix);

            if (_worldMatrixChanged)
            {
                int uWorldLocation = _currentShader.GetUniformLocation("uWorld");
                Matrix4 worldMatrix = _worldMatrixStack.Count > 0 ? (Matrix4)_worldMatrixStack.Peek() : _worldMatrix;
                GL.UniformMatrix4(uWorldLocation, true, ref worldMatrix);
            }

            GL.DrawElements(PrimitiveType.Polygon, count, DrawElementsType.UnsignedInt, offset * sizeof(uint));
        }