protected override void OnLoad()
{
// initialize shader (load sources, create/compile/link shader program, error checking)
// when using the factory method the shader sources are retrieved from the ShaderSourceAttributes
_program = ProgramFactory.Create <GravityProgram>();
// this program will be used all the time so just activate it once and for all
_program.Use();
// create and bind a vertex array
_vao = new VertexArray();
_vao.Bind();
// create and bind transform feedback object
_feedback = new TransformFeedback();
_feedback.Bind();
// Writing to a buffer while reading from it is not allowed
// so we need two buffer objects here, which can be achieved by using the BufferPod<T> type.
// It contains two buffers, Ping and Pong, to simplify this process.
_buffers = new BufferPod <Particle>();
InitializeParticles(_particleCount);
// enable point sprite rendering
GL.Enable(EnableCap.PointSprite);
// enable modification of the point sprite size from the program (vertex shader in this case)
GL.Enable(EnableCap.ProgramPointSize);
// enable depth testing
GL.Enable(EnableCap.DepthTest);
// set a nice clear color
GL.ClearColor(Color.Black);
// set a nice camera angle
Camera.DefaultState.Position = new Vector3(0, 2, -8);
Camera.ResetToDefault();
}
private void OnLoad(object sender, EventArgs e)
{
// initialize shader (load sources, create/compile/link shader program, error checking)
// when using the factory method the shader sources are retrieved from the ShaderSourceAttributes
var pathToShaders = "Data\\Shaders\\";
var shaderExt = ".glsl";
var shaderCode = File.ReadAllLines(pathToShaders + "Gravity2" + shaderExt);
var vs = new Shader(shaderCode, ShaderType.VertexShader);
// TODO Bind stuff
GL.UseProgram(vs.Handle);
var fs = GL.CreateShader(ShaderType.FragmentShader);
// create and bind a vertex array
_vao = new VertexArray();
_vao.Bind();
// create and bind transform feedback object
_feedback = new TransformFeedback();
_feedback.Bind();
// Writing to a buffer while reading from it is not allowed
// so we need two buffer objects here, which can be achieved by using the BufferPod<T> type.
// It contains two buffers, Ping and Pong, to simplify this process.
_buffers = new BufferPod <Particle>();
InitializeParticles(_particleCount);
// enable point sprite rendering
GL.Enable(EnableCap.PointSprite);
// enable modification of the point sprite size from the program (vertex shader in this case)
GL.Enable(EnableCap.ProgramPointSize);
// enable depth testing
GL.Enable(EnableCap.DepthTest);
// set a nice clear color
GL.ClearColor(Color.Black);
// set a nice camera angle
Camera.DefaultState.Position = new Vector3(0, 2, -8);
Camera.ResetToDefault();
}
private void OnLoad(object sender, EventArgs e)
{
// initialize shader (load sources, create/compile/link shader program, error checking)
// when using the factory method the shader sources are retrieved from the ShaderSourceAttributes
_program = ProgramFactory.Create<GravityProgram>();
// this program will be used all the time so just activate it once and for all
_program.Use();
// create and bind a vertex array
_vao = new VertexArray();
_vao.Bind();
// create and bind transform feedback object
_feedback = new TransformFeedback();
_feedback.Bind();
// Writing to a buffer while reading from it is not allowed
// so we need two buffer objects here, which can be achieved by using the BufferPod<T> type.
// It contains two buffers, Ping and Pong, to simplify this process.
_buffers = new BufferPod<Particle>();
InitializeParticles(_particleCount);
// enable point sprite rendering
GL.Enable(EnableCap.PointSprite);
// enable modification of the point sprite size from the program (vertex shader in this case)
GL.Enable(EnableCap.ProgramPointSize);
// enable depth testing
GL.Enable(EnableCap.DepthTest);
// set a nice clear color
GL.ClearColor(Color.Black);
// set a nice camera angle
Camera.DefaultState.Position = new Vector3(0,2,-8);
Camera.ResetToDefault();
}
