allemang.d/toddcox-visualize
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support multiple slices

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This commit is contained in:
David Allemang
2020-10-25 00:31:38 -04:00
parent c1f5163008
commit a3233c2686
2 changed files with 52 additions and 21 deletions
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22
vis/include/rendering.hpp
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@@ -46,20 +46,20 @@ public:
cgl::Buffer<vec4> vbo;
cgl::VertexArray vao;
vec5 root = vec5::Ones().normalized();
mat5 transform = mat5::Identity();
vec3 color = vec3::Ones();
explicit Slice(const tc::Group &g) : group(g) {
auto ctx = generators(group);
auto all_ctxs = combinations(ctx, N - 1);
auto selected_ctxs = difference(all_ctxs, {
{0, 2, 4},
});
auto mesh = Mesh<N>::hull(group, ctx, selected_ctxs);
ibo.put(mesh);
vao.ipointer(0, ibo, 4, GL_UNSIGNED_INT);
}
void setPoints(const vec5 &root, const mat5 &transform = mat5::Identity()) {
void setMesh(const Mesh<N> &mesh) {
ibo.put(mesh);
}
void setPoints() {
auto cosets = group.solve();
auto mirrors = mirror<5>(group);
@@ -104,7 +104,7 @@ public:
void draw(const Slice<N> &prop) const {
glBindProgramPipeline(pipe);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, prop.vbo);
glProgramUniform3f(solid, 2, 1.f, 1.f, 1.f);
glProgramUniform3fv(solid, 2, 1, prop.color.data());
glBindVertexArray(prop.vao);
glDrawArrays(GL_POINTS, 0, prop.ibo.count() * N);
}

49
vis/src/main.cpp
View File

@@ -29,13 +29,10 @@ mat5 wander(float time) {
class ExampleApplication : public nanogui::Screen {
public:
vec5 root;
// std::unique_ptr<tc::Group> group;
std::unique_ptr<SliceRenderer<4>> ren;
std::unique_ptr<cgl::Buffer<Matrices>> ubo;
std::unique_ptr<Slice<4>> slice;
std::vector<Slice<4>> slices;
float glfw_time = 0;
float last_frame = 0;
@@ -66,12 +63,41 @@ public:
std::cout << utilInfo();
{
std::vector<int> symbol = {3, 4, 3, 2};
root << .80, .02, .02, .02, .02;
auto group = tc::schlafli(symbol);
auto ctx = generators(group);
auto selected_ctxs = difference(
combinations(ctx, 3),
{
{0, 1, 2},
}
);
auto mesh = Mesh<4>::hull(group, ctx, selected_ctxs);
auto &slice = slices.emplace_back(group);
slice.setMesh(mesh);
slice.root << .80, .02, .02, .02, .02;
}
{
std::vector<int> symbol = {3, 4, 3, 2};
auto group = tc::schlafli(symbol);
auto ctx = generators(group);
auto selected_ctxs = difference(
combinations(ctx, 3),
{
{0, 1, 2},
}
);
auto mesh = Mesh<4>::hull(group, ctx, selected_ctxs);
auto &slice = slices.emplace_back(group);
slice.setMesh(mesh);
slice.root << .50, .02, .02, .02, .02;
slice.color << 0.1, 0.1, 0.9;
}
slice = std::make_unique<Slice<4>>(group);
ren = std::make_unique<SliceRenderer<4>>();
ubo = std::make_unique<cgl::Buffer<Matrices>>();
@@ -94,12 +120,17 @@ public:
if (!paused) time += frame_time;
auto rotation = wander(time);
slice->setPoints(root, rotation);
for (auto &slice : slices) {
slice.transform = rotation;
slice.setPoints();
}
Matrices mats = Matrices::build(*this);
glBindBufferBase(GL_UNIFORM_BUFFER, 1, *ubo);
ubo->put(mats);
ren->draw(*slice);
for (const auto &slice : slices) {
ren->draw(slice);
}
}
};