本文整理汇总了C++中Context::Clear方法的典型用法代码示例。如果您正苦于以下问题：C++ Context::Clear方法的具体用法？C++ Context::Clear怎么用？C++ Context::Clear使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Context的用法示例。
在下文中一共展示了Context::Clear方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
auto camera = CameraMat(time);
mesh_proc.prog.model_matrix = ModelMat(time);
mesh_proc.prog.camera_matrix = camera;
dist_proc.prog.camera_matrix = camera;
draw_proc.prog.camera_matrix = camera;
mesh_proc();
dist_proc(particles);
sort_proc(particles);
draw_proc(particles);
}示例2: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
Uniform<Mat4f>(prog, "CameraMatrix").Set(
CamMatrixf::Orbiting(
Vec3f(),
5.0,
FullCircles(time / 17.0),
Degrees(SineWave(time / 19.0) * 90)
)
);
torus_instr.Draw(torus_indices);
}示例3: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
4.5f,
FullCircles(time / 10.0),
Degrees(45.0 + SineWave(time / 7.0)*30.0)
)
);
model_matrix.Set(ModelMatrixf::RotationX(FullCircles(time / 12.0)));
torus_instr.Draw(torus_indices);
}示例4: Render
void Render(double time) {
gl.Clear().ColorBuffer().DepthBuffer();
//
auto lightAzimuth = FullCircles(time * -0.5);
light_pos.Set(
Vec3f(-Cos(lightAzimuth), 1.0f, -Sin(lightAzimuth)) * 2.0f);
//
camera_matrix.Set(CamMatrixf::Orbiting(
Vec3f(), 3.0f, Degrees(-45), Degrees(SineWave(time / 30.0) * 70)));
// set the model matrix
model_matrix.Set(ModelMatrixf::RotationA(
Vec3f(1.0f, 1.0f, 1.0f), FullCircles(-time * 0.05)));
gl.CullFace(Face::Back);
cube_instr.Draw(cube_indices);
}示例5: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// make the light position vector
auto light = Vec3f(2.0f, 2.0f, 2.0f);
// make the matrix for camera orbiting the origin
auto camera = CamMatrixf::Orbiting(
Vec3f(),
6.0,
Degrees(time * 15),
Degrees(SineWave(time / 6.0) * 45)
);
// render the shapes
sphere.Render(light, camera, Mat4f());
cubeX.Render(
light,
camera,
ModelMatrixf::Translation(2.0f, 0.0f, 0.0f) *
ModelMatrixf::RotationX(Degrees(time * 45))
);
cubeY.Render(
light,
camera,
ModelMatrixf::Translation(0.0f, 2.0f, 0.0f) *
ModelMatrixf::RotationY(Degrees(time * 90))
);
cubeZ.Render(
light,
camera,
ModelMatrixf::Translation(0.0f, 0.0f, 2.0f) *
ModelMatrixf::RotationZ(Degrees(time * 135))
);
torus.Render(
light,
camera,
ModelMatrixf::Translation(-1.0f, -1.0f, -1.0f) *
ModelMatrixf::RotationA(
Vec3f(1.0f, 1.0f, 1.0f),
Degrees(time * 45)
) *
ModelMatrixf::RotationY(Degrees(45)) *
ModelMatrixf::RotationX(Degrees(45))
);
}示例6: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(0.0f, 0.5f, 0.0f),
6.5,
Degrees(time * 35),
Degrees(55 - SineWave(time / 20.0) * 30)
)
);
light_pos.Set(light_path.Position(time / 10.0));
plane.Bind();
plane_instr.Draw(plane_indices);
}示例7: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
auto camera = CamMatrixf::Orbiting(
Vec3f(),
6.0,
FullCircles(time / 10.0),
Degrees(45.0 + SineWave(time / 7.0)*30.0)
);
auto model = ModelMatrixf::RotationX(FullCircles(time / 12.0));
plane_camera_matrix.Set(camera);
torus_camera_matrix.Set(camera);
torus_model_matrix.Set(model);
BSP(camera, 0);
}示例8: Render
void Render(double /*time*/)
{
gl.Clear().ColorBuffer();
// draw the lines between control points
color = Vec3f(0.9f, 0.9f, 0.2f);
control.Bind();
gl.DrawArrays(PrimitiveType::LineStrip, 0, ctrl_n);
// draw the curve
color = Vec3f(0.1f, 0.1f, 0.1f);
curve.Bind();
gl.DrawArrays(PrimitiveType::LineStrip, 0, curve_n);
// draw the control points
color = Vec3f(0.9f, 0.0f, 0.0f);
control.Bind();
gl.PointSize(8.0);
gl.DrawArrays(PrimitiveType::Points, 0, ctrl_n);
gl.PointSize(1.0);
}示例9: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
18.5,
Degrees(time * 135),
Degrees(SineWave(time / 20.0) * 30)
)
);
// draw 36 instances of the cube
// the vertex shader will take care of their placement
cube_instr.Draw(cube_indices, 36);
}示例10: Render
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);
}示例11: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
edge_width.Set(4.0+SineWave(time / 7.0)*3.0);
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
5.5 - SineWave(time / 27)*2.0,
Degrees(time * 33),
Degrees(SineWave(time / 21.0) * 31)
)
);
model_matrix.Set(ModelMatrixf::RotationZ(Degrees(time * 37)));
shape_instr.Draw(shape_indices);
}示例12: Render
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);
}示例13: Render
void Render(double time) {
gl.Clear().ColorBuffer().DepthBuffer();
auto camera = CamMatrixf::Orbiting(
Vec3f(),
2.9f,
FullCircles(time / 17.0),
Degrees(45 + SineWave(time / 20.0) * 40));
camera_matrix.Set(camera);
camera_position.Set(camera.Position());
auto langle = FullCircles(time / 31.0);
light_position.Set(
GLfloat(Cos(langle) * 20.0f),
GLfloat((1.2 + Sin(langle)) * 15.0f),
GLfloat(Sin(langle) * 20.0f));
shape.Draw();
}示例14: Render
void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
//
// set the matrix for camera orbiting the origin
camera_matrix.Set(
CamMatrixf::LookingAt(
cam_path.Position(time / 9.0),
tgt_path.Position(time / 7.0)
)
);
// draw the points
gl.DrawArrays(PrimitiveType::Points, 0, node_count * 3);
// draw the edges
gl.DrawElements(
PrimitiveType::Lines,
edge_count,
DataType::UnsignedInt
);
}示例15: Render
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);
}