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hub / github.com/RenderKit/embree / createGroundPlane

Function createGroundPlane

tutorials/collide/collide_device.cpp:47–72  ·  view source on GitHub ↗

creates a ground plane */

Source from the content-addressed store, hash-verified

45
46/* creates a ground plane */
47unsigned int createGroundPlane (RTCScene scene)
48{
49 /* create a triangulated plane with 2 triangles and 4 vertices */
50 std::unique_ptr<collide2::Mesh> plane (new collide2::Mesh());
51 plane->x_.resize (4);
52 plane->tris_.resize (2);
53
54 /* set plane->x_ */
55 plane->x_[0].x = -10; plane->x_[0].y = -2; plane->x_[0].z = -10;
56 plane->x_[1].x = -10; plane->x_[1].y = -2; plane->x_[1].z = +10;
57 plane->x_[2].x = +10; plane->x_[2].y = -2; plane->x_[2].z = -10;
58 plane->x_[3].x = +10; plane->x_[3].y = -2; plane->x_[3].z = +10;
59
60 /* set plane->tris_ */
61 plane->tris_[0].v0 = 0; plane->tris_[0].v1 = 1; plane->tris_[0].v2 = 2;
62 plane->tris_[1].v0 = 1; plane->tris_[1].v1 = 3; plane->tris_[1].v2 = 2;
63
64 RTCGeometry geom = rtcNewGeometry (g_device, RTC_GEOMETRY_TYPE_TRIANGLE);
65 rtcSetSharedGeometryBuffer(geom,RTC_BUFFER_TYPE_VERTEX,0,RTC_FORMAT_FLOAT3,plane->x_.data(),0,sizeof(collide2::vec_t),plane->x_.size());
66 rtcSetSharedGeometryBuffer(geom,RTC_BUFFER_TYPE_INDEX,0,RTC_FORMAT_UINT3,plane->tris_.data(),0,sizeof(Triangle),plane->tris_.size ());
67 rtcCommitGeometry(geom);
68 unsigned int geomID = rtcAttachGeometry(scene,geom);
69 rtcReleaseGeometry(geom);
70 meshes.push_back (std::move (plane));
71 return geomID;
72}
73
74unsigned int createTriangulatedSphere (RTCScene scene, const Vec3fa& p, float r)
75{

Callers

nothing calls this directly

Calls 8

rtcCommitGeometryFunction · 0.85
rtcAttachGeometryFunction · 0.85
rtcReleaseGeometryFunction · 0.85
resizeMethod · 0.45
dataMethod · 0.45
sizeMethod · 0.45
push_backMethod · 0.45

Tested by

no test coverage detected