creates a ground plane */
| 639 | |
| 640 | /* creates a ground plane */ |
| 641 | unsigned int createGroundPlane (RTCScene scene) |
| 642 | { |
| 643 | /* create a triangulated plane with 2 triangles and 4 vertices */ |
| 644 | RTCGeometry geom = rtcNewGeometry (g_device, RTC_GEOMETRY_TYPE_TRIANGLE); |
| 645 | |
| 646 | /* set vertices */ |
| 647 | Vertex* vertices = (Vertex*) rtcSetNewGeometryBuffer(geom,RTC_BUFFER_TYPE_VERTEX,0,RTC_FORMAT_FLOAT3,sizeof(Vertex),4); |
| 648 | vertices[0].x = -10; vertices[0].y = -2; vertices[0].z = -10; |
| 649 | vertices[1].x = -10; vertices[1].y = -2; vertices[1].z = +10; |
| 650 | vertices[2].x = +10; vertices[2].y = -2; vertices[2].z = -10; |
| 651 | vertices[3].x = +10; vertices[3].y = -2; vertices[3].z = +10; |
| 652 | |
| 653 | /* set triangles */ |
| 654 | Triangle* triangles = (Triangle*) rtcSetNewGeometryBuffer(geom,RTC_BUFFER_TYPE_INDEX,0,RTC_FORMAT_UINT3,sizeof(Triangle),2); |
| 655 | triangles[0].v0 = 0; triangles[0].v1 = 2; triangles[0].v2 = 1; |
| 656 | triangles[1].v0 = 1; triangles[1].v1 = 2; triangles[1].v2 = 3; |
| 657 | |
| 658 | rtcCommitGeometry(geom); |
| 659 | unsigned int geomID = rtcAttachGeometry(scene,geom); |
| 660 | rtcReleaseGeometry(geom); |
| 661 | return geomID; |
| 662 | } |
| 663 | |
| 664 | /* called by the C++ code for initialization */ |
| 665 | extern "C" void device_init (char* cfg) |
no test coverage detected