/**
* ---|> [State]
*/
State::stateResult_t StrangeExampleRenderer::doEnableState(FrameContext & context,Node * node, const RenderParam & rp){
if (rp.getFlag(NO_GEOMETRY) || rp.getFlag(SKIP_RENDERER))
return State::STATE_SKIPPED;
/// Collect all nodes in the frustum
const auto nodes = collectNodesInFrustum<GeometryNode>(node, context.getCamera()->getFrustum());
if(nodes.size() == 1 && nodes.front() == node) {
WARN("This renderer must not be attached to GeometryNodes.");
return State::STATE_SKIPPED;
}
/// Render all nodes with a little extra strangeness
Geometry::Matrix4x4 m;
float f=0;
for(const auto & geoNode : nodes) {
float f2=f+Util::Timer::now();
m.setIdentity();
m.scale(1.0+sin( f2)/40.0);
m.rotate_deg( sin( f2/0.7)/2.0,0,1,0);
context.getRenderingContext().pushMatrix_modelToCamera();
context.getRenderingContext().multMatrix_modelToCamera(m);
context.displayNode(geoNode,rp);
context.getRenderingContext().popMatrix_modelToCamera();
f+=137.0;
}
return State::STATE_SKIP_RENDERING;
}
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();
}