pederbs
/
TDT4230_final_project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add texture coordinates to spheres

This commit is contained in:
Peder Bergebakken Sundt 2019-03-19 20:18:13 +01:00
parent 5518d8e7ee
commit da4d088d9d
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/utilities/shapes.cpp
View File

@ -216,10 +216,12 @@ Mesh generateSphere(float sphereRadius, int slices, int layers) {
vector<vec3> vertices;
vector<vec3> normals;
vector<uint> indices;
vector<vec2> texcoords;
vertices.reserve(3 * triangleCount);
normals.reserve(3 * triangleCount);
indices.reserve(3 * triangleCount);
texcoords.reserve(3 * triangleCount);
// Slices require us to define a full revolution worth of triangles.
// Layers only requires angle varying between the bottom and the top (a layer only covers half a circle worth of angles)
@ -304,7 +306,14 @@ Mesh generateSphere(float sphereRadius, int slices, int layers) {
indices.emplace_back(i + 3);
indices.emplace_back(i + 4);
indices.emplace_back(i + 5);
texcoords.emplace_back( currentSliceAngleDegrees /360., currentAngleZDegrees /180. );
texcoords.emplace_back( nextSliceAngleDegrees /360., currentAngleZDegrees /180. );
texcoords.emplace_back( nextSliceAngleDegrees /360., nextAngleZDegrees /180. );
texcoords.emplace_back( currentSliceAngleDegrees /360., currentAngleZDegrees /180. );
texcoords.emplace_back( nextSliceAngleDegrees /360., nextAngleZDegrees /180. );
texcoords.emplace_back( currentSliceAngleDegrees /360., nextAngleZDegrees /180. );
i += 6;
}
}
@ -313,6 +322,7 @@ Mesh generateSphere(float sphereRadius, int slices, int layers) {
mesh.vertices = vertices;
mesh.normals = normals;
mesh.indices = indices;
mesh.textureCoordinates = texcoords;
return mesh;
}