void Gizmos::addCube(const glm::vec3& center, const glm::vec3& extents, const glm::vec3& color)
{
glm::vec3 p100(-extents.x, extents.y, extents.z);
glm::vec3 p101(-extents.x, extents.y, -extents.z);
glm::vec3 p110(-extents.x, -extents.y, extents.z);
glm::vec3 p111(-extents.x, -extents.y, -extents.z);
glm::vec3 p000(extents.x, extents.y, extents.z);
glm::vec3 p001(extents.x, extents.y, -extents.z);
glm::vec3 p010(extents.x, -extents.y, extents.z);
glm::vec3 p011(extents.x, -extents.y, -extents.z);
p100 += center;
p101 += center;
p110 += center;
p111 += center;
p000 += center;
p001 += center;
p010 += center;
p011 += center;
_addLine(p100, p101, color);
_addLine(p110, p111, color);
_addLine(p100, p110, color);
_addLine(p101, p111, color);
_addLine(p000, p001, color);
_addLine(p010, p011, color);
_addLine(p000, p010, color);
_addLine(p001, p011, color);
_addLine(p000, p100, color);
_addLine(p010, p110, color);
_addLine(p011, p111, color);
_addLine(p001, p101, color);
}
void OSGDebugDrawInterface::AddAABB(const dtEntity::Vec3f& minCoords,
const dtEntity::Vec3f& maxCoords, const dtEntity::Vec4f& color,
int lineWidth, float duration, bool depthTestEnabled)
{
if(!mEnabled)
return;
osg::Vec3 p000(minCoords);
osg::Vec3 p111(maxCoords);
osg::Vec3 p001(minCoords[0], minCoords[1], maxCoords[2]);
osg::Vec3 p010(minCoords[0], maxCoords[1], minCoords[2]);
osg::Vec3 p100(maxCoords[0], minCoords[1], minCoords[2]);
osg::Vec3 p011(minCoords[0], maxCoords[1], maxCoords[2]);
osg::Vec3 p101(maxCoords[0], minCoords[1], maxCoords[2]);
osg::Vec3 p110(maxCoords[0], maxCoords[1], minCoords[2]);
std::vector<osg::Vec3> lines(24);
lines[0] = p000; lines[1] = p100;
lines[2] = p100; lines[3] = p101;
lines[4] = p101; lines[5] = p001;
lines[6] = p001; lines[7] = p000;
lines[8] = p001; lines[9] = p011;
lines[10] = p101; lines[11] = p111;
lines[12] = p100; lines[13] = p110;
lines[14] = p000; lines[15] = p010;
lines[16] = p011; lines[17] = p111;
lines[18] = p010; lines[19] = p011;
lines[20] = p111; lines[21] = p110;
lines[22] = p010; lines[23] = p110;
AddLines(lines, color, lineWidth, duration, depthTestEnabled);
}
void createCube(cMesh *a_mesh, double a_halfSize)
{
// define eight corners of edges [x,y,z]
cVector3d p000(-a_halfSize, -a_halfSize, -a_halfSize);
cVector3d p100( a_halfSize, -a_halfSize, -a_halfSize);
cVector3d p110( a_halfSize, a_halfSize, -a_halfSize);
cVector3d p010(-a_halfSize, a_halfSize, -a_halfSize);
cVector3d p001(-a_halfSize, -a_halfSize, a_halfSize);
cVector3d p101( a_halfSize, -a_halfSize, a_halfSize);
cVector3d p111( a_halfSize, a_halfSize, a_halfSize);
cVector3d p011(-a_halfSize, a_halfSize, a_halfSize);
// create two triangles for each face:
//face -x
a_mesh->newTriangle(p000, p001, p011);
a_mesh->newTriangle(p000, p011, p010);
//face +x
a_mesh->newTriangle(p100, p110, p111);
a_mesh->newTriangle(p100, p111, p101);
//face -y
a_mesh->newTriangle(p000, p100, p101);
a_mesh->newTriangle(p000, p101, p001);
//face +y
a_mesh->newTriangle(p010, p011, p111);
a_mesh->newTriangle(p010, p111, p110);
//face -z
a_mesh->newTriangle(p000, p010, p100);
a_mesh->newTriangle(p010, p110, p100);
//face +z
a_mesh->newTriangle(p001, p101, p011);
a_mesh->newTriangle(p101, p111, p011);
// compute normals
a_mesh->computeAllNormals(true);
// compute boudary box
a_mesh->computeBoundaryBox(true);
}
void Gizmos::addCube(const glm::mat4& transform, const glm::vec3& color)
{
glm::vec3 extents(1,1,1);
glm::vec3 p100(-extents.x, extents.y, extents.z);
glm::vec3 p101(-extents.x, extents.y, -extents.z);
glm::vec3 p110(-extents.x, -extents.y, extents.z);
glm::vec3 p111(-extents.x, -extents.y, -extents.z);
glm::vec3 p000(extents.x, extents.y, extents.z);
glm::vec3 p001(extents.x, extents.y, -extents.z);
glm::vec3 p010(extents.x, -extents.y, extents.z);
glm::vec3 p011(extents.x, -extents.y, -extents.z);
p100 = glm::vec3(transform * glm::vec4(p100, 0));
p101 = glm::vec3(transform * glm::vec4(p101, 0));
p110 = glm::vec3(transform * glm::vec4(p110, 0));
p111 = glm::vec3(transform * glm::vec4(p111, 0));
p000 = glm::vec3(transform * glm::vec4(p000, 0));
p001 = glm::vec3(transform * glm::vec4(p001, 0));
p010 = glm::vec3(transform * glm::vec4(p010, 0));
p011 = glm::vec3(transform * glm::vec4(p011, 0));
_addLine(p100, p101, color);
_addLine(p110, p111, color);
_addLine(p100, p110, color);
_addLine(p101, p111, color);
_addLine(p000, p001, color);
_addLine(p010, p011, color);
_addLine(p000, p010, color);
_addLine(p001, p011, color);
_addLine(p000, p100, color);
_addLine(p010, p110, color);
_addLine(p011, p111, color);
_addLine(p001, p101, color);
}
void MeshObject::MakeBox(float x,float y,float z,Material *mtl) {
// Allocate arrays
NumVertexes=24;
NumTriangles=12;
Vertexes=new Vertex[NumVertexes];
Triangles=new Triangle[NumTriangles];
if(mtl==0) mtl=new LambertMaterial;
x*=0.5f;
y*=0.5f;
z*=0.5f;
// Corners
Vector3 p000(-x,-y,-z);
Vector3 p001(-x,-y,z);
Vector3 p010(-x,y,-z);
Vector3 p011(-x,y,z);
Vector3 p100(x,-y,-z);
Vector3 p101(x,-y,z);
Vector3 p110(x,y,-z);
Vector3 p111(x,y,z);
// Tex coords
Vector3 t00(0.0f,0.0f,0.0f);
Vector3 t01(0.0f,1.0f,0.0f);
Vector3 t10(1.0f,0.0f,0.0f);
Vector3 t11(1.0f,1.0f,0.0f);
// Right
Vertexes[0].Set(p101,Vector3::XAXIS,t00);
Vertexes[1].Set(p100,Vector3::XAXIS,t10);
Vertexes[2].Set(p110,Vector3::XAXIS,t11);
Vertexes[3].Set(p111,Vector3::XAXIS,t01);
Triangles[0].Init(&Vertexes[0],&Vertexes[1],&Vertexes[2],mtl);
Triangles[1].Init(&Vertexes[0],&Vertexes[2],&Vertexes[3],mtl);
// Left
Vertexes[4].Set(p000,-Vector3::XAXIS,t00);
Vertexes[5].Set(p001,-Vector3::XAXIS,t10);
Vertexes[6].Set(p011,-Vector3::XAXIS,t11);
Vertexes[7].Set(p010,-Vector3::XAXIS,t01);
Triangles[2].Init(&Vertexes[4],&Vertexes[5],&Vertexes[6],mtl);
Triangles[3].Init(&Vertexes[4],&Vertexes[6],&Vertexes[7],mtl);
// Top
Vertexes[8].Set(p011,Vector3::YAXIS,t00);
Vertexes[9].Set(p111,Vector3::YAXIS,t10);
Vertexes[10].Set(p110,Vector3::YAXIS,t11);
Vertexes[11].Set(p010,Vector3::YAXIS,t01);
Triangles[4].Init(&Vertexes[8],&Vertexes[9],&Vertexes[10],mtl);
Triangles[5].Init(&Vertexes[8],&Vertexes[10],&Vertexes[11],mtl);
// Bottom
Vertexes[12].Set(p000,-Vector3::YAXIS,t00);
Vertexes[13].Set(p100,-Vector3::YAXIS,t10);
Vertexes[14].Set(p101,-Vector3::YAXIS,t11);
Vertexes[15].Set(p001,-Vector3::YAXIS,t01);
Triangles[6].Init(&Vertexes[12],&Vertexes[13],&Vertexes[14],mtl);
Triangles[7].Init(&Vertexes[12],&Vertexes[14],&Vertexes[15],mtl);
// Front
Vertexes[16].Set(p001,Vector3::ZAXIS,t00);
Vertexes[17].Set(p101,Vector3::ZAXIS,t10);
Vertexes[18].Set(p111,Vector3::ZAXIS,t11);
Vertexes[19].Set(p011,Vector3::ZAXIS,t01);
Triangles[8].Init(&Vertexes[16],&Vertexes[17],&Vertexes[18],mtl);
Triangles[9].Init(&Vertexes[16],&Vertexes[18],&Vertexes[19],mtl);
// Back
Vertexes[20].Set(p100,-Vector3::ZAXIS,t00);
Vertexes[21].Set(p000,-Vector3::ZAXIS,t10);
Vertexes[22].Set(p010,-Vector3::ZAXIS,t11);
Vertexes[23].Set(p110,-Vector3::ZAXIS,t01);
Triangles[10].Init(&Vertexes[20],&Vertexes[21],&Vertexes[22],mtl);
Triangles[11].Init(&Vertexes[20],&Vertexes[22],&Vertexes[23],mtl);
}