void Render(double time)
{
static const Mat4f reflection(
Vec4f( 1.0, 0.0, 0.0, 0.0),
Vec4f( 0.0,-1.0, 0.0, 0.0),
Vec4f( 0.0, 0.0, 1.0, 0.0),
Vec4f( 0.0, 0.0, 0.0, 1.0)
);
auto camera = CamMatrixf::Orbiting(
Vec3f(),
GLfloat(7.0 + SineWave(time / 12.0)*2.5),
FullCircles(time / 10.0),
Degrees(45.0 - SineWave(time / 7.0)*35.0)
);
shape_prog.Use();
shape.Bind();
gl.Enable(Capability::CullFace);
gl.FrontFace(make_shape.FaceWinding());
// render into the off-screen framebuffer
fbo.Bind(Framebuffer::Target::Draw);
gl.Viewport(
(width - refl_tex_side) / 2,
(height - refl_tex_side) / 2,
refl_tex_side, refl_tex_side
);
gl.Clear().ColorBuffer().DepthBuffer();
shape_camera_matrix.Set(
camera *
ModelMatrixf::Translation(0.0f, -1.0f, 0.0f) *
reflection
);
gl.CullFace(Face::Front);
shape_instr.Draw(shape_indices);
gl.Bind(Framebuffer::Target::Draw, DefaultFramebuffer());
gl.Viewport(width, height);
gl.Clear().ColorBuffer().DepthBuffer();
shape_camera_matrix.Set(camera);
gl.CullFace(Face::Back);
shape_instr.Draw(shape_indices);
gl.Disable(Capability::CullFace);
// Render the plane
plane_prog.Use();
plane.Bind();
plane_camera_matrix.Set(camera);
plane_camera_position.Set(camera.Position());
plane_instr.Draw(plane_indices);
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
3.0f,
Degrees(time * 50),
Degrees(SineWave(time / 16.0) * 80)
)
);
// the model matrix
model_matrix.Set(
ModelMatrixf::RotationY(Degrees(time * 25))
);
// draw 36 instances of the cube
// first the back faces
gl.CullFace(Face::Front);
front_facing.Set(0);
cube_instr.Draw(cube_indices, inst_count);
// then the front faces
gl.CullFace(Face::Back);
front_facing.Set(1);
cube_instr.Draw(cube_indices, inst_count);
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
4.5,
Degrees(time * 35),
Degrees(SineWave(time / 20.0) * 60)
)
);
// set the model matrix
model_matrix.Set(
ModelMatrixf::RotationX(FullCircles(time * 0.25))
);
gl.PolygonMode(PolygonMode::Line);
gl.CullFace(Face::Front);
torus_instr.Draw(torus_indices);
//
gl.PolygonMode(PolygonMode::Fill);
gl.CullFace(Face::Back);
torus_instr.Draw(torus_indices);
}
void Reshape(GLuint width, GLuint height) {
gl.Viewport(width, height);
auto projection =
CamMatrixf::PerspectiveX(Degrees(70), float(width) / height, 1, 200);
sky_box_projection_matrix.Set(projection);
shape_projection_matrix.Set(projection);
}
void Reshape(GLuint width, GLuint height) {
gl.Viewport(width, height);
Mat4f projection =
CamMatrixf::PerspectiveX(Degrees(70), float(width) / height, 1, 40);
shape_projection_matrix.Set(projection);
plane_projection_matrix.Set(projection);
halo_projection_matrix.Set(projection);
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
3.5,
Degrees(time * 35),
Degrees(SineWave(time / 60.0) * 80)
)
);
// set the model matrix
model_matrix.Set(
ModelMatrixf::RotationX(FullCircles(time * 0.25))
);
torus_instr.Draw(torus_indices);
}
void Reshape(GLuint width, GLuint height)
{
gl.Viewport(width, height);
projection_matrix.Set(
CamMatrixf::PerspectiveX(
Degrees(70),
width, height,
1, 100
)
);
}
void Reshape(GLuint width, GLuint height)
{
gl.Viewport(width, height);
prog.Use();
projection_matrix.Set(
CamMatrixf::PerspectiveX(
Degrees(70),
double(width)/height,
1, 20
)
);
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
auto camera = CamMatrixf::Orbiting(
Vec3f(),
8.5,
FullCircles(time / 5.0),
Degrees(15 + (-SineWave(time/10.0)+1.0)* 0.5 * 75)
);
ModelMatrixf model =
ModelMatrixf::Translation(0.0f, 2.5f, 0.0) *
ModelMatrixf::RotationA(
Vec3f(1.0f, 1.0f, 1.0f),
FullCircles(time / 7.0)
);
plane_prog.Use();
plane_camera_matrix.Set(camera);
plane.Bind();
gl.DrawArrays(PrimitiveType::TriangleStrip, 0, 4);
shape_prog.Use();
shape_camera_matrix.Set(camera);
shape_model_matrix.Set(model);
shape.Bind();
shape_instr.Draw(shape_indices);
halo_prog.Use();
halo_camera_matrix.Set(camera);
halo_model_matrix.Set(model);
gl.DepthMask(false);
gl.Enable(Capability::Blend);
shape_instr.Draw(shape_indices);
gl.Disable(Capability::Blend);
gl.DepthMask(true);
}
void Render(double time) {
const double day_duration = 67.0;
auto sun =
Vec3f(0.000, 1.000, 0.000) * 1e10 * SineWave(time / day_duration) +
Vec3f(0.000, 0.000, -1.000) * 1e10 * CosineWave(time / day_duration);
auto camera = CamMatrixf::Orbiting(
Vec3f(),
5.0,
FullCircles(-0.10 - time / 27.0),
Degrees(-20 - SineWave(time / 17.0) * 30));
auto model = ModelMatrixf::RotationA(
Vec3f(1.0, 1.0, 1.0), FullCircles(time / 13.0));
gl.Clear().ColorBuffer().DepthBuffer();
sky_box.Use();
sky_box_prog.Use();
sky_box_camera_matrix.Set(camera);
sky_box_sun_position.Set(sun);
sky_box.Draw();
shape.Use();
shape_prog.Use();
shape_model_matrix.Set(model);
shape_camera_matrix.Set(camera);
shape_camera_position.Set(camera.Position());
shape_sun_position.Set(sun);
shape.Draw();
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
Vec3f lightPos(-1.0f, 2.0f, 2.0f);
lightPos *= (1.0f - SineWave(time/5.0f)*0.4f);
light_pos.Set(lightPos);
tex_projection_matrix.Set(
CamMatrixf::PerspectiveX(Degrees(15), 1.0, 1, 20) *
CamMatrixf::LookingAt(lightPos, Vec3f())
);
// set the model matrix
model_matrix.Set(
ModelMatrixf::RotationY(FullCircles(time * 0.1))
);
cube.Bind();
gl.CullFace(Face::Front);
cube_instr.Draw(cube_indices);
}
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
GLfloat(30.0 - SineWave(time / 17.0)*25.0),
Degrees(time * 47),
Degrees(SineWave(time / 31.0) * 90)
)
);
gl.DrawArrays(PrimitiveType::Patches, 0, 16);
}