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primitive functions

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This commit is contained in:
David Allemang
2018-12-20 20:50:04 -05:00
parent 1e842b8dda
commit 7211e9fc1a
1 changed files with 23 additions and 19 deletions
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42
simplex/src/main.cpp
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@@ -22,20 +22,31 @@ struct Matrices {
glm::mat4 proj;
};
void push_cube(std::vector<unsigned> &inds, std::vector<unsigned> cube) {
std::vector<unsigned> cube_inds = {
cube[0], cube[1], cube[2], cube[4],
cube[1], cube[4], cube[5], cube[7],
cube[1], cube[2], cube[3], cube[7],
cube[2], cube[4], cube[6], cube[7],
cube[1], cube[2], cube[4], cube[7],
};
for (auto ind : cube_inds) {
inds.push_back(ind);
void push_tetrahedron(std::vector<unsigned> *inds, const std::vector<unsigned> & tetra) {
for (int i = 0; i < 4; ++i) {
inds->push_back(tetra[i]);
}
}
void push_cube(std::vector<unsigned> *inds, const std::vector<unsigned> &cube) {
push_tetrahedron(inds, {cube[0], cube[1], cube[2], cube[4]});
push_tetrahedron(inds, {cube[1], cube[4], cube[5], cube[7]});
push_tetrahedron(inds, {cube[1], cube[2], cube[3], cube[7]});
push_tetrahedron(inds, {cube[2], cube[4], cube[6], cube[7]});
push_tetrahedron(inds, {cube[1], cube[2], cube[4], cube[7]});
}
void push_tesseract(std::vector<unsigned> *inds, const std::vector<unsigned> &tess) {
push_cube(inds, {tess[0], tess[1], tess[2], tess[3], tess[4], tess[5], tess[6], tess[7]});
push_cube(inds, {tess[8], tess[9], tess[10], tess[11], tess[12], tess[13], tess[14], tess[15]});
push_cube(inds, {tess[0], tess[1], tess[2], tess[3], tess[8], tess[9], tess[10], tess[11]});
push_cube(inds, {tess[4], tess[5], tess[6], tess[7], tess[12], tess[13], tess[14], tess[15]});
push_cube(inds, {tess[0], tess[1], tess[4], tess[5], tess[8], tess[9], tess[12], tess[13]});
push_cube(inds, {tess[2], tess[3], tess[6], tess[7], tess[10], tess[11], tess[14], tess[15]});
push_cube(inds, {tess[0], tess[2], tess[4], tess[6], tess[8], tess[10], tess[12], tess[14]});
push_cube(inds, {tess[1], tess[3], tess[5], tess[7], tess[9], tess[11], tess[13], tess[15]});
}
class GLApp : public App {
std::vector<glm::vec4> cell_verts{};
std::vector<unsigned> cell_elems{};
@@ -71,14 +82,7 @@ class GLApp : public App {
};
cell_elems = {};
push_cube(cell_elems, {0, 1, 2, 3, 4, 5, 6, 7});
push_cube(cell_elems, {8, 9, 10, 11, 12, 13, 14, 15});
push_cube(cell_elems, {0, 1, 2, 3, 8, 9, 10, 11});
push_cube(cell_elems, {4, 5, 6, 7, 12, 13, 14, 15});
push_cube(cell_elems, {0, 1, 4, 5, 8, 9, 12, 13});
push_cube(cell_elems, {2, 3, 6, 7, 10, 11, 14, 15});
push_cube(cell_elems, {0, 2, 4, 6, 8, 10, 12, 14});
push_cube(cell_elems, {1, 3, 5, 7, 9, 11, 13, 15});
push_tesseract(&cell_elems, {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15});
matrices = {
glm::identity<glm::mat4>(),