void ROADPATCH::AddRacinglineScenenode(
SCENENODE & node,
const ROADPATCH & nextpatch,
std::tr1::shared_ptr<TEXTURE> racingline_texture)
{
//Create racing line scenenode
keyed_container <DRAWABLE>::handle drawhandle = node.GetDrawlist().normal_blend.insert(DRAWABLE());
DRAWABLE & draw = node.GetDrawlist().normal_blend.get(drawhandle);
draw.SetDiffuseMap(racingline_texture);
draw.SetDecal(true);
draw.SetVertArray(&racingline_vertexarray);
const MATHVECTOR <float, 3> & r0 = patch.GetRacingLine();
const MATHVECTOR <float, 3> & r1 = nextpatch.patch.GetRacingLine();
MATHVECTOR <float, 3> v0 = r0 + (patch.GetPoint(0,0) - r0).Normalize()*0.1;
MATHVECTOR <float, 3> v1 = r0 + (patch.GetPoint(0,3) - r0).Normalize()*0.1;
MATHVECTOR <float, 3> v2 = r1 + (nextpatch.GetPatch().GetPoint(0,3) - r1).Normalize()*0.1;
MATHVECTOR <float, 3> v3 = r1 + (nextpatch.GetPatch().GetPoint(0,0) - r1).Normalize()*0.1;
float trackoffset = 0.1;
v0[2] += trackoffset;
v1[2] += trackoffset;
v2[2] += trackoffset;
v3[2] += trackoffset;
float vcorners[12];
float uvs[8];
int bfaces[6];
vcorners[0] = v0[0]; vcorners[1] = v0[1]; vcorners[2] = v0[2];
vcorners[3] = v1[0]; vcorners[4] = v1[1]; vcorners[5] = v1[2];
vcorners[6] = v2[0]; vcorners[7] = v2[1]; vcorners[8] = v2[2];
vcorners[9] = v3[0]; vcorners[10] = v3[1]; vcorners[11] = v3[2];
uvs[0] = 0;
uvs[1] = 0;
uvs[2] = 1;
uvs[3] = 0;
uvs[4] = 1;
uvs[5] = (v2-v1).Magnitude();
uvs[6] = 0;
uvs[7] = (v2-v1).Magnitude();
bfaces[0] = 0;
bfaces[1] = 2;
bfaces[2] = 1;
bfaces[3] = 0;
bfaces[4] = 3;
bfaces[5] = 2;
racingline_vertexarray.SetFaces(bfaces, 6);
racingline_vertexarray.SetVertices(vcorners, 12);
racingline_vertexarray.SetTexCoordSets(1);
racingline_vertexarray.SetTexCoords(0, uvs, 8);
}
void ROADPATCH::AddRacinglineScenenode(
SCENENODE & node,
const ROADPATCH & nextpatch,
std::tr1::shared_ptr<TEXTURE> racingline_texture)
{
//Create racing line scenenode
keyed_container <DRAWABLE>::handle drawhandle = node.GetDrawlist().normal_blend.insert(DRAWABLE());
DRAWABLE & draw = node.GetDrawlist().normal_blend.get(drawhandle);
draw.SetDiffuseMap(racingline_texture);
draw.SetDecal(true);
draw.SetVertArray(&racingline_vertexarray);
MATHVECTOR <float, 3> v0 = racing_line + (patch.GetPoint(0,0) - racing_line).Normalize()*0.1;
MATHVECTOR <float, 3> v1 = racing_line + (patch.GetPoint(0,3) - racing_line).Normalize()*0.1;
MATHVECTOR <float, 3> v2 = nextpatch.racing_line + (nextpatch.GetPatch().GetPoint(0,3) - nextpatch.racing_line).Normalize()*0.1;
MATHVECTOR <float, 3> v3 = nextpatch.racing_line + (nextpatch.GetPatch().GetPoint(0,0) - nextpatch.racing_line).Normalize()*0.1;
//transform from bezier space into world space
v0.Set(v0[2],v0[0],v0[1]);
v1.Set(v1[2],v1[0],v1[1]);
v2.Set(v2[2],v2[0],v2[1]);
v3.Set(v3[2],v3[0],v3[1]);
float trackoffset = 0.1;
v0[2] += trackoffset;
v1[2] += trackoffset;
v2[2] += trackoffset;
v3[2] += trackoffset;
float vcorners[12];
float uvs[8];
int bfaces[6];
//std::cout << v0 << std::endl;
vcorners[0] = v0[0]; vcorners[1] = v0[1]; vcorners[2] = v0[2];
vcorners[3] = v1[0]; vcorners[4] = v1[1]; vcorners[5] = v1[2];
vcorners[6] = v2[0]; vcorners[7] = v2[1]; vcorners[8] = v2[2];
vcorners[9] = v3[0]; vcorners[10] = v3[1]; vcorners[11] = v3[2];
//std::cout << v0 << endl;
//std::cout << racing_line << endl;
uvs[0] = 0;
uvs[1] = 0;
uvs[2] = 1;
uvs[3] = 0;
uvs[4] = 1;
uvs[5] = (v2-v1).Magnitude();
uvs[6] = 0;
uvs[7] = (v2-v1).Magnitude();
bfaces[0] = 0;
bfaces[1] = 2;
bfaces[2] = 1;
bfaces[3] = 0;
bfaces[4] = 3;
bfaces[5] = 2;
racingline_vertexarray.SetFaces(bfaces, 6);
racingline_vertexarray.SetVertices(vcorners, 12);
racingline_vertexarray.SetTexCoordSets(1);
racingline_vertexarray.SetTexCoords(0, uvs, 8);
}
