adds a ground plane to the scene */
| 60 | |
| 61 | /* adds a ground plane to the scene */ |
| 62 | unsigned int addGroundPlane (RTCScene scene_i) |
| 63 | { |
| 64 | /* create a triangulated plane with 2 triangles and 4 vertices */ |
| 65 | RTCGeometry geom = rtcNewGeometry (g_device, RTC_GEOMETRY_TYPE_TRIANGLE); |
| 66 | |
| 67 | /* set vertices */ |
| 68 | Vertex* vertices = (Vertex*) rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_VERTEX, 0, RTC_FORMAT_FLOAT3, sizeof(Vertex), 4); |
| 69 | vertices[0].x = -10; vertices[0].y = -2; vertices[0].z = -10; |
| 70 | vertices[1].x = -10; vertices[1].y = -2; vertices[1].z = +10; |
| 71 | vertices[2].x = +10; vertices[2].y = -2; vertices[2].z = -10; |
| 72 | vertices[3].x = +10; vertices[3].y = -2; vertices[3].z = +10; |
| 73 | |
| 74 | /* set triangles */ |
| 75 | Triangle* triangles = (Triangle*) rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_INDEX, 0, RTC_FORMAT_UINT3, sizeof(Triangle), 2); |
| 76 | triangles[0].v0 = 0; triangles[0].v1 = 1; triangles[0].v2 = 2; |
| 77 | triangles[1].v0 = 1; triangles[1].v1 = 3; triangles[1].v2 = 2; |
| 78 | |
| 79 | rtcCommitGeometry(geom); |
| 80 | unsigned int geomID = rtcAttachGeometry(scene_i,geom); |
| 81 | rtcReleaseGeometry(geom); |
| 82 | return geomID; |
| 83 | } |
| 84 | |
| 85 | /* called by the C++ code for initialization */ |
| 86 | extern "C" void device_init (char* cfg) |
no test coverage detected