adds a ground plane to the scene */
| 94 | |
| 95 | /* adds a ground plane to the scene */ |
| 96 | unsigned int addGroundPlane (RTCScene scene_i) |
| 97 | { |
| 98 | /* create a triangulated plane with 2 triangles and 4 vertices */ |
| 99 | RTCGeometry geom = rtcNewGeometry (g_device, RTC_GEOMETRY_TYPE_TRIANGLE); |
| 100 | |
| 101 | /* set vertices */ |
| 102 | Vertex* vertices = (Vertex*) rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_VERTEX, 0, RTC_FORMAT_FLOAT3, sizeof(Vertex), 4); |
| 103 | vertices[0].x = -15; vertices[0].y = -2; vertices[0].z = -15; |
| 104 | vertices[1].x = -15; vertices[1].y = -2; vertices[1].z = +15; |
| 105 | vertices[2].x = +15; vertices[2].y = -2; vertices[2].z = -15; |
| 106 | vertices[3].x = +15; vertices[3].y = -2; vertices[3].z = +15; |
| 107 | |
| 108 | /* set triangles */ |
| 109 | Triangle* triangles = (Triangle*) rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_INDEX, 0, RTC_FORMAT_UINT3, sizeof(Triangle), 2); |
| 110 | triangles[0].v0 = 0; triangles[0].v1 = 1; triangles[0].v2 = 2; |
| 111 | triangles[1].v0 = 1; triangles[1].v1 = 3; triangles[1].v2 = 2; |
| 112 | |
| 113 | rtcCommitGeometry(geom); |
| 114 | unsigned int geomID = rtcAttachGeometry(scene_i,geom); |
| 115 | rtcReleaseGeometry(geom); |
| 116 | return geomID; |
| 117 | } |
| 118 | |
| 119 | /* called by the C++ code for initialization */ |
| 120 | extern "C" void device_init (char* cfg) |
no test coverage detected