void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
CamMatrixf camera = CamMatrixf::Orbiting(
Vec3f(),
4.5f + float(SineWave(time / 25.0)),
FullCircles(time / 30.0),
Degrees(SineWave(time / 19.0) * 20)
);
light_prog.camera_matrix.Set(camera);
flare_prog.camera_matrix.Set(camera);
shape_prog.camera_matrix.Set(camera);
shape_prog.camera_position.Set(camera.Position());
shape_prog.model_matrix.Set(
ModelMatrixf::RotationX(FullCircles(time / 30.0))
);
shape_prog.Use();
shape.Draw();
NoProgram().Use();
lights.Bind();
light_prog.Use();
for(GLuint l=0; l!=n_flares; ++l)
{
queries[l].Begin(Query::Target::SamplesPassed);
gl.DrawArrays(PrimitiveType::Points, l, 1);
queries[l].End(Query::Target::SamplesPassed);
}
gl.Enable(Capability::Blend);
gl.Disable(Capability::DepthTest);
flare_prog.Use();
for(GLuint l=0; l!=n_flares; ++l)
{
GLint samples = 0;
queries[l].WaitForResult(samples);
if(samples != 0)
{
flare_prog.samples = samples;
gl.DrawArrays(PrimitiveType::Points, l, 1);
}
}
gl.Enable(Capability::DepthTest);
gl.Disable(Capability::Blend);
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
CamMatrixf camera = CamMatrixf::Orbiting(
Vec3f(),
4.5 - SineWave(time / 16.0) * 1.5,
FullCircles(time / 12.0),
Degrees(SineWave(time / 30.0) * 90)
);
// set the matrix for camera orbiting the origin
camera_matrix_3.Set(projection * camera);
camera_position_3.Set(camera.Position());
// set the model matrix
model_matrix.Set(
ModelMatrixf::RotationX(FullCircles(time / 10.0))
);
shape.Bind();
shape_instr.Draw(shape_indices);
}
