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Simplify mesh class

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This commit is contained in:
David Allemang
2022-02-16 22:19:03 -05:00
parent 89b9780f6c
commit 22976a9778
6 changed files with 139 additions and 237 deletions
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40
src/main.cpp
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@@ -128,45 +128,23 @@ int run(GLFWwindow *window, ImGuiContext *context) {
Buffer<GLuint> ind_buf;
Buffer<Eigen::Vector3f> vert_buf;
Buffer<Eigen::Vector3f> vert2_buf;
Buffer<GLuint> ind4d_buf;
Buffer<Eigen::Vector4f> vert4d_buf;
VertexArray<Eigen::Vector3f> vao(vert_buf);
glVertexArrayElementBuffer(vao, ind_buf);
auto mesh = ml::CubeMesh(0.25f);
auto ind_data = mesh.cells();
auto ind_flat = ind_data.reshaped();
auto elements = ind_buf.upload(ind_flat.begin(), ind_flat.end(), GL_STATIC_DRAW);
// todo add <Dim, Rank> to DynamicMesh
// need to do weird piping because dynamicmesh returns dynamic-sized matrix, VertexArray requires a static-sized matrix
auto vert_data_dyn = mesh.points();
Eigen::Ref<Eigen::Matrix3Xf> vert_data(vert_data_dyn);
auto vert_flat = vert_data.colwise();
vert_buf.upload(vert_flat.begin(), vert_flat.end(), GL_STATIC_DRAW);
auto mesh2 = ml::CubeMesh(0.5f);
auto vert2_data_dyn = mesh2.points();
Eigen::Ref<Eigen::Matrix3Xf> vert2_data(vert2_data_dyn);
auto vert2_flat = vert2_data.colwise();
vert2_buf.upload(vert2_flat.begin(), vert2_flat.end(), GL_STATIC_DRAW);
auto mesh4d = ml::WireCubeMesh(4, 0.33f);
Buffer<GLuint> ind4d_buf;
Buffer<Eigen::Vector4f> vert4d_buf;
VertexArray<Eigen::Vector4f> vao4d(vert4d_buf);
glVertexArrayElementBuffer(vao4d, ind4d_buf);
auto ind4d_data = mesh4d.cells();
auto ind4d_flat = ind4d_data.reshaped();
auto elements4d = ind4d_buf.upload(ind4d_flat.begin(), ind4d_flat.end(), GL_STATIC_DRAW);
auto mesh = ml::make_cube(0.22f);
auto elements = (GLint) ind_buf.upload(mesh.cells.reshaped());
vert_buf.upload(mesh.points.colwise());
auto vert4d_data_dyn = mesh4d.points();
Eigen::Ref<Eigen::Matrix4Xf> vert4d_data(vert4d_data_dyn);
auto vert4d_flat = vert4d_data.colwise();
vert4d_buf.upload(vert4d_flat.begin(), vert4d_flat.end(), GL_STATIC_DRAW);
auto mesh4d = ml::make_cube_wire<4>(0.33f);
auto elements4d = (GLint) ind4d_buf.upload(mesh4d.cells.reshaped());
vert4d_buf.upload(mesh4d.points.colwise());
VertexShader vs(std::ifstream("res/shaders/main.vert.glsl"));
VertexShader vs4d(std::ifstream("res/shaders/4d.vert.glsl"));