void RenderImage(
double time,
const Mat4f& torus_matrix,
const Mat4f& light_proj_matrix
)
{
// this is going into the on-screen framebuffer
DefaultFramebuffer().Bind(Framebuffer::Target::Draw);
gl.ClearColor(1.0f, 0.9f, 0.8f, 0.0f);
gl.Viewport(width, height);
gl.Clear().ColorBuffer().DepthBuffer();
gl.CullFace(Face::Back);
//
transf_prog.light_proj_matrix.Set(light_proj_matrix);
Mat4f perspective = CamMatrixf::PerspectiveX(
Degrees(60),
float(width)/height,
1, 60
);
// setup the camera
Vec3f camera_target(0.0f, 0.8f, 0.0f);
auto camera = CamMatrixf::Orbiting(
camera_target,
GLfloat(7.0 - SineWave(time / 14.0)*3.0),
FullCircles(time / 26.0),
Degrees(45 + SineWave(time / 17.0) * 40)
);
Vec3f camera_position = camera.Position();
transf_prog.camera_matrix.Set(perspective*camera);
transf_prog.camera_position.Set(camera_position);
// render into the depth buffer
shadow_pp.Bind();
gl.Enable(Capability::PolygonOffsetFill);
gl.ColorMask(false, false, false, false);
transf_prog.model_matrix = ModelMatrixf();
plane.Draw();
transf_prog.model_matrix.Set(torus_matrix);
torus.Draw();
gl.ColorMask(true, true, true, true);
gl.Disable(Capability::PolygonOffsetFill);
gl.Enable(Capability::Blend);
gl.Disable(Capability::Blend);
// render into the color buffer
sketch_pp.Bind();
gl.Enable(Capability::Blend);
transf_prog.model_matrix = ModelMatrixf();
transf_prog.texture_matrix.Set(Mat2f(Vec2f(3.0, 0.0), Vec2f(0.0, 3.0)));
plane.Draw();
transf_prog.model_matrix.Set(torus_matrix);
transf_prog.texture_matrix.Set(Mat2f(Vec2f(8.0, 0.0), Vec2f(0.0, 2.0)));
torus.Draw([](GLuint phase) -> bool { return phase < 4; });
transf_prog.texture_matrix.Set(Mat2f(Vec2f(0.0, 2.0), Vec2f(8.0, 0.0)));
torus.Draw([](GLuint phase) -> bool { return phase >= 4; });
// render the edges
line_pp.Bind();
transf_prog.model_matrix = ModelMatrixf();
plane.DrawEdges();
transf_prog.model_matrix.Set(torus_matrix);
torus.DrawEdges();
gl.Disable(Capability::Blend);
}
void RenderImage(
double time,
const Vec3f& torus_center,
const Mat4f& torus_matrix,
const Mat4f& light_proj_matrix
)
{
// this is going into the on-screen framebuffer
DefaultFramebuffer().Bind(Framebuffer::Target::Draw);
gl.ClearColor(0.6f, 0.6f, 0.5f, 0.0f);
gl.Viewport(width, height);
gl.Clear().ColorBuffer().DepthBuffer();
gl.CullFace(Face::Back);
//
transf_prog.light_proj_matrix.Set(light_proj_matrix);
Mat4f perspective = CamMatrixf::PerspectiveX(
Degrees(60),
float(width)/height,
1, 60
);
// setup the camera
Vec3f camera_target(0.0f, 0.8f, 0.0f);
auto camera = CamMatrixf::Orbiting(
camera_target,
GLfloat(8.0 - SineWave(time / 15.0)*3.0),
FullCircles(time / 24.0),
Degrees(45 + SineWave(time / 20.0) * 40)
);
Vec3f camera_position = camera.Position();
transf_prog.camera_matrix.Set(perspective*camera);
transf_prog.camera_position.Set(camera_position);
// setup the view clipping plane
Planef clip_plane = Planef::FromPointAndNormal(
torus_center,
Normalized(camera_position-torus_center)
);
metal_pp.Bind();
// Render the plane
transf_prog.model_matrix = ModelMatrixf();
transf_prog.texture_matrix.Set(Mat2f(Vec2f(9.0f,0.0f), Vec2f(0.0f,9.0f)));
metal_prog.color_1 = Vec3f(1.0f, 0.9f, 0.8f);
metal_prog.color_2 = Vec3f(0.9f, 0.8f, 0.6f);
metal_prog.with_glass_shadow = 1;
plane.Draw([](GLuint) -> bool {return true;});
// Render the torus
transf_prog.model_matrix.Set(torus_matrix);
transf_prog.texture_matrix.Set(Mat2f(Vec2f(16.0f,0.0f), Vec2f(0.0f, 4.0f)));
metal_prog.metal_tex.Set(0);
metal_prog.color_1 = Vec3f(0.9f, 0.9f, 0.9f);
metal_prog.color_2 = Vec3f(0.3f, 0.3f, 0.3f);
metal_prog.with_glass_shadow = 0;
// the metal-part
torus.Draw(
[](GLuint phase) -> bool
{
return (phase <= 3);
}
);
// now the glass part
glass_pp.Bind();
glass_prog.color = Vec3f(0.6f, 0.4f, 0.1f);
gl.Enable(Functionality::ClipDistance, 0);
gl.Enable(Capability::Blend);
transf_prog.clip_plane.Set(clip_plane.Equation());
for(int c=0; c!=2; ++c)
{
transf_prog.clip_direction.Set((c == 0)?-1:1);
for(int p=0; p!=4; ++p)
{
if(p % 2 == 0) gl.CullFace(Face::Front);
else gl.CullFace(Face::Back);
torus.Draw(
[&p](GLuint phase) -> bool
{
if(p == 0 || p == 3)
return (phase == 4);
else return (phase > 4);
}
);
}
}
gl.Disable(Capability::Blend);
gl.Disable(Functionality::ClipDistance, 0);
}
void wmonkey_scene_2()
{
printf("WOODEN MONKEY SCENE : 2 (path tracing) ----------------------------------\n\n");
Raytracer rt;
int width = 16 * 20 * 2;
int height = 12 * 20 * 2;
// room dimensions
double wDiameter = 20;
double wRadius = wDiameter / 2;
double wallSize[] = {wDiameter + DBL_EPSILON, wDiameter + DBL_EPSILON, wDiameter + DBL_EPSILON};
// Camera parameters.
Point3D camera_pos(0, 0, 1);
Vector3D camera_target(0, 0, -1);
Vector3D up(0, 1, 0);
double fov = 65;
double l0c = .9;
PointLight * light0 = new PointLight(
// Point3D(-wDiameter - roomRad + (roomRad / 2), 50 * 2, 50 * 2),
Point3D(0, wRadius - 5, 0),
Colour(l0c, l0c, l0c),
0.2);
rt.addLightSource(light0);
// http://en.wikipedia.org/wiki/Cornell_Box
// http://www.kevinbeason.com/smallpt/#moreinfo
Material matLight(
Colour(1, 1, 1) // ambient
, Colour(1, 1, 1) // diffuse
, Colour(1, 1, 1) // spec
, 0, 0, 0, 0
);
Material matMirror(
Colour(0.3, 0.3, 0.3) // ambient
, Colour(0.1, 0.1, 0.1) // diffuse
, Colour(0.628281, 0.555802, 0.366065) // spec
, 51.2, 1.0
);
Material matGlass(
Colour(0, 0, 0) // ambient
, Colour(0.1, 0.1, 0.1) // diffuse
, Colour(1.0, 1.0, 1.0) // spec
, 100, 0.0, 1.01, 0.9
);
Material matBeige(
Colour(0.607843, 0.549019, 0.372549) // ambient
, Colour(0.741176, 0.686274, 0.525490) // diffuse
, Colour(0.933333, 0.901960, 0.807843) // spec
, 12.8
);
Material matReddishWall(
Colour(.25, .25, .25) // ambient
, Colour(.75, .25, .25) // diffuse
, Colour(.3, .3, .3) // spec
, 2, 0, 0, 0
);
Material matBluishWall(
Colour(.25, .25, .25) // ambient
, Colour(.25, .25, .75) // diffuse
, Colour(.3, .3, .3) // spec
, 2, 0, 0, 0
);
Material matGreenishWall(
Colour(.25, .25, .25) // ambient
, Colour(.25, .75, .25) // diffuse
, Colour(.3, .3, .3) // spec
, 2, 0, 0, 0
);
Material matBaseWall(
Colour(.25, .25, .25) // ambient
, Colour(.25, .25, .25) // diffuse
, Colour(.6, .6, .6) // spec
, 2, 0, 0, 0
);
// create and position the box
SceneDagNode* wallLeft = rt.addObject( new UnitSquare(), &matReddishWall );
SceneDagNode* wallRight = rt.addObject( new UnitSquare(), &matBluishWall );
SceneDagNode* wallFront = rt.addObject( new UnitSquare(), &matBaseWall );
SceneDagNode* wallTop = rt.addObject( new UnitSquare(), &matLight );
SceneDagNode* wallBot = rt.addObject( new UnitSquare(), &matGreenishWall );
rt.translate(wallFront, Vector3D(0, 0, -wDiameter - wRadius + DBL_EPSILON));
rt.scale(wallFront, Point3D(0, 0, 0), wallSize);
rt.translate(wallRight, Vector3D(wRadius, 0, -wDiameter + DBL_EPSILON));
rt.rotate(wallRight, 'y', -90);
rt.scale(wallRight, Point3D(0, 0, 0), wallSize);
rt.translate(wallLeft, Vector3D(-wRadius, 0, -wDiameter + DBL_EPSILON));
rt.rotate(wallLeft, 'y', 90);
rt.scale(wallLeft, Point3D(0, 0, 0), wallSize);
rt.translate(wallTop, Vector3D(0, wRadius, -wDiameter + DBL_EPSILON));
rt.rotate(wallTop, 'x', 90);
rt.scale(wallTop, Point3D(0, 0, 0), wallSize);
rt.translate(wallBot, Vector3D(0, -wRadius, -wDiameter + DBL_EPSILON));
rt.rotate(wallBot, 'x', -90);
rt.scale(wallBot, Point3D(0, 0, 0), wallSize);
// create some objects within the box...
SceneDagNode* sphere_chrome = rt.addObject( new UnitSphere(), &matGlass );
double _sChrome_size = 2;
double _sChrome[] = {_sChrome_size, _sChrome_size, _sChrome_size};
rt.translate(sphere_chrome,
Vector3D(wRadius / 3 * 2,
-wRadius + (_sChrome_size),
-wDiameter + (wRadius / 3)));
rt.scale(sphere_chrome, Point3D(0, 0, 0), _sChrome);
SceneDagNode* sphere_glass = rt.addObject( new UnitSphere(), &matMirror );
double _sGlass_size = 2.5;
double _sGlass[] = {_sGlass_size, _sGlass_size, _sGlass_size};
rt.translate(sphere_glass,
Vector3D(-wRadius / 3 * 2,
-wRadius + (_sGlass_size),
-wDiameter - (wRadius / 3)));
rt.scale(sphere_glass, Point3D(0, 0, 0), _sGlass);
SceneDagNode* sphere_beige = rt.addObject( new UnitSphere(), &matBeige );
double _sBeige_size = 3.5;
double _sBeige[] = {_sBeige_size, _sBeige_size, _sBeige_size};
rt.translate(sphere_beige,
Vector3D(wRadius / 3 * 2,
-wRadius + (_sGlass_size * 2),
-wDiameter - (wRadius / 3)));
rt.scale(sphere_beige, Point3D(0, 0, 0), _sBeige);
rt.setAAMode(Raytracer::AA_SUPER_SAMPLING);
rt.setAAMode(Raytracer::NONE);
rt.setShadingMode(Raytracer::SCENE_MODE_DIFFUSE);
rt.setShadows(Raytracer::SHADOW_CAST);
rt.setEnvMapMode(Raytracer::ENV_MAP_CUBE_SKYBOX);
// rt.setColorSpaceMode(Raytracer::COLOR_ENC_SRGB_GAMMA_CORRECT);
rt.setReflDepth(4);
// refraction if it's turned on
if (REFRACTION_FLAG) {
rt.setRefractionMode(REFRACTION_FLAG);
}
if ( rt.getEnvMapMode() != Raytracer::NONE ) {
// load images
EnvMap env;
if ( _DEBUG ) {
env = EnvMap(
"EnvMaps/DebugMaps/posx.bmp",
"EnvMaps/DebugMaps/posy.bmp",
"EnvMaps/DebugMaps/posz.bmp",
"EnvMaps/DebugMaps/negx.bmp",
"EnvMaps/DebugMaps/negy.bmp",
"EnvMaps/DebugMaps/negz.bmp"
);
} else {
env = EnvMap(
"EnvMaps/SaintLazarusChurch/posx.bmp",
"EnvMaps/SaintLazarusChurch/posy.bmp",
"EnvMaps/SaintLazarusChurch/posz.bmp",
"EnvMaps/SaintLazarusChurch/negx.bmp",
"EnvMaps/SaintLazarusChurch/negy.bmp",
"EnvMaps/SaintLazarusChurch/negz.bmp"
);
}
rt.setEnvMap(env);
}
printf("WOODEN MONKEY SCENE : 2 :: Rendering...\n");
rt.render(width, height, camera_pos, camera_target, up, fov, "wmonkey_2.bmp");
printf("WOODEN MONKEY SCENE : 2 :: Done!\n");
}