void drawFrustum(RenderingContext & rc, const Geometry::Frustum & frustum, const Util::Color4f & color, float lineWidth) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
mesh = new Mesh(vertexDescription, 8, 16);
mesh->setDrawMode(Mesh::DRAW_LINE_STRIP);
MeshIndexData & id = mesh->openIndexData();
uint32_t * indices = id.data();
indices[0] = 0;
indices[1] = 2;
indices[2] = 3;
indices[3] = 1;
indices[4] = 5;
indices[5] = 7;
indices[6] = 6;
indices[7] = 4;
indices[8] = 0;
indices[9] = 1;
indices[10] = 3;
indices[11] = 7;
indices[12] = 5;
indices[13] = 4;
indices[14] = 6;
indices[15] = 2;
id.updateIndexRange();
}
MeshVertexData & vd = mesh->openVertexData();
float * vertices = reinterpret_cast<float *>(vd.data());
for (uint_fast8_t c = 0; c < 8; ++c) {
const Geometry::Vec3 & corner = frustum[static_cast<Geometry::corner_t> (c)];
*vertices++ = corner.getX();
*vertices++ = corner.getY();
*vertices++ = corner.getZ();
}
vd.updateBoundingBox();
vd.markAsChanged();
rc.pushAndSetLine(lineWidth);
rc.pushAndSetLighting(LightingParameters(false));
rc.pushAndSetColorMaterial(color);
rc.displayMesh(mesh.get());
rc.popMaterial();
rc.popLighting();
rc.popLine();
}
void Demo::onGraphics(RenderDevice* rd) {
debugAssert(GLCaps::supports_two_sided_stencil());
app->renderDevice->setProjectionAndCameraMatrix(app->debugCamera);
// Can now render from the texture
// Cyan background
app->renderDevice->setColorClearValue(Color3(.1f, .5f, 1));
app->renderDevice->clear();
if (app->sky.notNull()) {
app->sky->render(rd, LightingParameters(G3D::toSeconds(10,00,00, AM)));
}
rd->pushState();
rd->enableLighting();
//Configure ambient light
rd->setAmbientLightColor(Color3::white() * .25);
for (int m = 0; m < models.size(); ++m) {
models[m]->render(rd);
}
GLight light = GLight::directional(Vector3(0,1,0), Color3::white() * 0.5);
rd->setBlendFunc(RenderDevice::BLEND_ONE, RenderDevice::BLEND_ONE);
rd->setStencilTest(RenderDevice::STENCIL_EQUAL);
rd->setStencilConstant(0);
rd->setAmbientLightColor(Color3::black());
rd->setDepthTest(RenderDevice::DEPTH_LEQUAL);
rd->setLight(0, light);
for (int m = 0; m < models.size(); ++m) {
models[m]->render(rd);
}
rd->popState();
GApplet::onGraphics(rd);
}
void drawCamera(RenderingContext & rc, const Util::Color4f & color) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4f> transformations;
{
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.1f), 0.2f, 0.5f, 0.8f);
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
transformations.push_back(Geometry::Matrix4x4());
}
{
// Lens
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(0.1f, 0.25f, 0.2f, 16));
Geometry::Matrix4x4f mat;
mat.translate(0.0f, 0.0f, -0.3f);
mat.rotate_deg(90.0f, 0.0f, 1.0f, 0.0f);
transformations.push_back(mat);
}
{
// Lens cap
meshes.push_back(MeshUtils::MeshBuilder::createDiscSector(0.25f, 16));
Geometry::Matrix4x4f mat;
mat.translate(0.0f, 0.0f, -0.5f);
mat.rotate_deg(-90.0f, 0.0f, 1.0f, 0.0f);
transformations.push_back(mat);
}
{
// First film reel
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(0.2f, 0.2f, 0.1f, 16));
Geometry::Matrix4x4f mat;
mat.translate(-0.05f, 0.45f, -0.1f);
transformations.push_back(mat);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createDiscSector(0.2f, 16));
Geometry::Matrix4x4f mat;
mat.translate(-0.05f, 0.45f, -0.1f);
transformations.push_back(mat);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createDiscSector(0.2f, 16));
Geometry::Matrix4x4f mat;
mat.translate(0.05f, 0.45f, -0.1f);
mat.rotate_deg(180.0f, 0.0f, 1.0f, 0.0f);
transformations.push_back(mat);
}
{
// Second film reel
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(0.2f, 0.2f, 0.1f, 16));
Geometry::Matrix4x4f mat;
mat.translate(-0.05f, 0.45f, 0.3f);
transformations.push_back(mat);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createDiscSector(0.2f, 16));
Geometry::Matrix4x4f mat;
mat.translate(-0.05f, 0.45f, 0.3f);
transformations.push_back(mat);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createDiscSector(0.2f, 16));
Geometry::Matrix4x4f mat;
mat.translate(0.05f, 0.45f, 0.3f);
mat.rotate_deg(180.0f, 0.0f, 1.0f, 0.0f);
transformations.push_back(mat);
}
mesh = MeshUtils::combineMeshes(meshes, transformations);
}
rc.pushAndSetLighting(LightingParameters(false));
rc.pushAndSetColorMaterial(Util::Color4f(color));
rc.displayMesh(mesh.get());
rc.popMaterial();
rc.popLighting();
}