public override void draw()
{
/*
* Vertex positions (in-model)
*/
int positionAttribLocation = GL.GetAttribLocation(game.getShader(), "in_position");
GL.VertexAttribPointer(positionAttribLocation, 3, VertexAttribPointerType.Float, false, Vector3.SizeInBytes, 0);
GL.EnableVertexAttribArray(positionAttribLocation);
/*
* Model position (outside-model)
*/
Matrix4 model = Matrix4.Identity;
//model = model * Matrix4.CreateTranslation(new Vector3(-game.screenW / 2, -game.screenH / 2, 0));
int modelUniformLocation = GL.GetUniformLocation(game.getShader(), "model_matrix");
GL.UniformMatrix4(modelUniformLocation, false, ref model);
/*
* Draw
*/
GL.DrawArrays(PrimitiveType.Triangles, vboIndex, vertices.Length);
/*
* Clean up
*/
GL.DisableVertexAttribArray(positionAttribLocation);
}
protected override void OnRenderFrame(FrameEventArgs e)
{
this.Title = "FPS: " + (this.RenderFrequency).ToString("F2") + " UPS: " + (this.UpdateFrequency).ToString("F2");
base.OnRenderFrame(e);
/*
* Clear buffer
*/
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
/*
* Calculate Projection & View
*/
Matrix4 projection = Matrix4.CreateOrthographic(base.Width, base.Height, 0.01f, 100);
Matrix4 view = Matrix4.LookAt(new Vector3(0, 0, 3), new Vector3(0, 0, 0), new Vector3(0, 1, 0));
GL.UseProgram(game.getShader());
int projectionUniformLocation = GL.GetUniformLocation(game.getShader(), "projection_matrix");
int viewUniformLocation = GL.GetUniformLocation(game.getShader(), "view_matrix");
GL.UniformMatrix4(projectionUniformLocation, false, ref projection);
GL.UniformMatrix4(viewUniformLocation, false, ref view);
/*
* Tell the engine to draw objects
*/
game.drawAll();
/*
* Clean up
*/
GL.UseProgram(0);
SwapBuffers();
}
public override void draw()
{
int positionAttribLocation = GL.GetAttribLocation(game.getShader(), "in_position");
GL.VertexAttribPointer(positionAttribLocation, 3, VertexAttribPointerType.Float, false, Vector3.SizeInBytes, 0);
GL.EnableVertexAttribArray(positionAttribLocation);
Matrix4 model = Matrix4.Identity;
model = model * Matrix4.CreateRotationZ(angle);
model = model * Matrix4.CreateTranslation(new Vector3(x, y, 0));
int modelUniformLocation = GL.GetUniformLocation(game.getShader(), "model_matrix");
GL.UniformMatrix4(modelUniformLocation, false, ref model);
GL.DrawArrays(PrimitiveType.Triangles, vboIndex, vertices.Length);
GL.DisableVertexAttribArray(positionAttribLocation);
}
