void drawBox(RenderingContext & rc, const Geometry::Box & box) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box unitBox(Geometry::Vec3(-0.5f, -0.5f, -0.5f), Geometry::Vec3(0.5f, 0.5f, 0.5f));
mesh = MeshUtils::MeshBuilder::createBox(vertexDescription, unitBox);
}
Geometry::Matrix4x4 matrix;
matrix.translate(box.getCenter());
matrix.scale(box.getExtentX(), box.getExtentY(), box.getExtentZ());
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(matrix);
rc.displayMesh(mesh.get());
rc.popMatrix_modelToCamera();
}
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();
}
void drawCoordSys(RenderingContext & rc, float scale) {
static Util::Reference<Mesh> arrow;
static Util::Reference<Mesh> sphere;
static Util::Reference<Mesh> charX;
static Util::Reference<Mesh> charY;
static Util::Reference<Mesh> charZ;
const float radius = 0.025f;
if (arrow.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
Geometry::Matrix4x4 transform;
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(radius, radius, 0.7f, 16));
transformations.push_back(transform);
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(radius, 2.0f * radius, 0.01f, 16));
transform.translate(0.7f, 0.0f, 0.0f);
transformations.push_back(transform);
meshes.push_back(MeshUtils::MeshBuilder::createCone(2.0f * radius, 0.29f, 16));
transform.translate(0.01f, 0.0f, 0.0f);
transformations.push_back(transform);
arrow = MeshUtils::combineMeshes(meshes, transformations);
MeshUtils::optimizeIndices(arrow.get());
while (!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
if (sphere.isNull()) {
Util::Reference<Mesh> icosahedron = MeshUtils::PlatonicSolids::createIcosahedron();
sphere = MeshUtils::PlatonicSolids::createEdgeSubdivisionSphere(icosahedron.get(), 2);
Geometry::Matrix4x4 transform;
transform.scale(1.1f * radius);
MeshUtils::transform(sphere.get()->openVertexData(), transform);
}
if(charX.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.0f), 0.02f, 0.2f, 0.05f);
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(-30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
charX = MeshUtils::combineMeshes(meshes, transformations);
MeshUtils::optimizeIndices(charX.get());
while(!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
if(charY.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.0f), 0.02f, 0.1f, 0.05f);
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(0.025f, 0.045f, 0.0f);
transform.rotate_deg(30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(-0.025f, 0.045f, 0.0f);
transform.rotate_deg(-30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(0.0f, -0.045f, 0.0f);
transformations.push_back(transform);
}
charY = MeshUtils::combineMeshes(meshes, transformations);
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(90.0f, 0.0f, 0.0f, -1.0f);
MeshUtils::transform(charY->openVertexData(), transform);
MeshUtils::optimizeIndices(charY.get());
while(!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
if(charZ.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.0f), 0.02f, 0.1f, 0.05f);
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.075f, 0.0f);
transform.rotate_deg(90.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(-30.0f, 0.0f, 0.0f, -1.0f);
transform.scale(1.0f, 1.6f, 1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, -0.075f, 0.0f);
transform.rotate_deg(-90.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
charZ = MeshUtils::combineMeshes(meshes, transformations);
MeshUtils::optimizeIndices(charZ.get());
while(!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
// Origin
rc.pushAndSetColorMaterial(Util::ColorLibrary::WHITE);
rc.displayMesh(sphere.get());
rc.popMaterial();
// X axis
Geometry::Matrix4x4 transform;
transform.scale(scale, 1.0f, 1.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(transform);
rc.pushAndSetColorMaterial(Util::ColorLibrary::RED);
rc.displayMesh(arrow.get());
rc.displayMesh(charX.get());
rc.popMaterial();
rc.popMatrix_modelToCamera();
// Y axis
transform.setIdentity();
transform.scale(1.0f, scale, 1.0f);
transform.rotate_deg(90.0f, 0.0f, 0.0f, 1.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(transform);
rc.pushAndSetColorMaterial(Util::ColorLibrary::GREEN);
rc.displayMesh(arrow.get());
rc.displayMesh(charY.get());
rc.popMaterial();
rc.popMatrix_modelToCamera();
// Z axis
transform.setIdentity();
transform.scale(1.0f, 1.0f, scale);
transform.rotate_deg(90.0f, 0.0f, -1.0f, 0.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(transform);
rc.pushAndSetColorMaterial(Util::ColorLibrary::BLUE);
rc.displayMesh(arrow.get());
rc.displayMesh(charZ.get());
rc.popMaterial();
rc.popMatrix_modelToCamera();
}
void drawQuad(RenderingContext & rc, const Geometry::Vec3 & lowerLeft, const Geometry::Vec3 & lowerRight, const Geometry::Vec3 & upperRight,
const Geometry::Vec3 & upperLeft) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
vertexDescription.appendTexCoord();
mesh = new Mesh(vertexDescription, 4, 6);
MeshIndexData & id = mesh->openIndexData();
uint32_t * indices = id.data();
indices[0] = 0;
indices[1] = 1;
indices[2] = 2;
indices[3] = 0;
indices[4] = 2;
indices[5] = 3;
id.updateIndexRange();
id.markAsChanged();
}
const Geometry::Vec3 edgeA = lowerRight - lowerLeft;
const Geometry::Vec3 edgeB = upperLeft - lowerLeft;
Geometry::Vec3 normal = edgeA.cross(edgeB);
normal.normalize();
MeshVertexData & vd = mesh->openVertexData();
float * vertices = reinterpret_cast<float *> (vd.data());
// Lower left
*vertices++ = lowerLeft.getX();
*vertices++ = lowerLeft.getY();
*vertices++ = lowerLeft.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 0.0f;
*vertices++ = 0.0f;
// Lower right
*vertices++ = lowerRight.getX();
*vertices++ = lowerRight.getY();
*vertices++ = lowerRight.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 1.0f;
*vertices++ = 0.0f;
// Upper right
*vertices++ = upperRight.getX();
*vertices++ = upperRight.getY();
*vertices++ = upperRight.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 1.0f;
*vertices++ = 1.0f;
// Upper left
*vertices++ = upperLeft.getX();
*vertices++ = upperLeft.getY();
*vertices++ = upperLeft.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 0.0f;
*vertices++ = 1.0f;
vd.updateBoundingBox();
vd.markAsChanged();
rc.displayMesh(mesh.get());
}
