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Enabling toggling rendering of bounding Chunk volumes from GUI

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This commit is contained in:
Erik Broberg
2016-06-14 23:19:28 -04:00
parent 5e3ff9077b
commit abbede263f
9 changed files with 58 additions and 33 deletions
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modules/globebrowsing/chunk/chunkedlodglobe.cpp
+36 -2
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@@ -28,6 +28,8 @@
#include <modules/globebrowsing/chunk/culling.h>
#include <modules/globebrowsing/chunk/chunklevelevaluator.h>
#include <modules/debugging/rendering/debugrenderer.h>
// open space includes
#include <openspace/engine/openspaceengine.h>
@@ -144,8 +146,6 @@ namespace openspace {
void ChunkedLodGlobe::render(const RenderData& data){
minDistToCamera = INFINITY;
ChunkNode::renderedChunks = 0;
@@ -155,6 +155,40 @@ namespace openspace {
renderChunkTree(_leftRoot.get(), data);
renderChunkTree(_rightRoot.get(), data);
// Calculate the MVP matrix
dmat4 modelTransform = translate(dmat4(1), data.position.dvec3());
dmat4 viewTransform = dmat4(data.camera.combinedViewMatrix());
dmat4 mvp = dmat4(data.camera.projectionMatrix())
* viewTransform * modelTransform;
if (showChunkBounds) {
std::function<void(const ChunkNode&)> chunkDebugRenderer = [&data, &mvp](const ChunkNode& chunkNode) {
const Chunk& chunk = chunkNode.getChunk();
if (chunkNode.isLeaf() && chunk.isVisible()) {
const std::vector<glm::dvec4> modelSpaceCorners = chunk.getBoundingPolyhedronCorners();
std::vector<glm::vec4> clippingSpaceCorners(8);
for (size_t i = 0; i < 8; i++) {
clippingSpaceCorners[i] = mvp * modelSpaceCorners[i];
}
unsigned int colorBits = 1 + chunk.index().level % 6;
vec4 color = vec4(colorBits & 1, colorBits & 2, colorBits & 4, 0.3);
DebugRenderer::ref()->renderBoxFaces(clippingSpaceCorners, color);
glLineWidth(4.0f);
DebugRenderer::ref()->renderBoxEdges(clippingSpaceCorners, color);
glPointSize(20.0f);
DebugRenderer::ref()->renderVertices(clippingSpaceCorners, GL_POINTS, color);
}
};
_leftRoot->depthFirst(chunkDebugRenderer);
_rightRoot->depthFirst(chunkDebugRenderer);
}
//LDEBUG("min distnace to camera: " << minDistToCamera);
Vec3 cameraPos = data.camera.position().dvec3();