me/toddcox-visualize-v0
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vertex enumeration working, but orientation is wrong.

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This commit is contained in:
David Allemang
2019-09-14 00:41:33 -04:00
parent 1e5a21da07
commit 67c03a67da
5 changed files with 91 additions and 15 deletions
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26
cosets/src/main.cpp
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@@ -5,6 +5,9 @@
#include <glm/gtc/type_ptr.hpp>
#include <glm/gtx/string_cast.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <vector>
#include "util/mesh.hpp"
using namespace std;
@@ -13,7 +16,7 @@ class CosetsWindow : public Window {
GLuint tri;
GLuint verts;
static const unsigned VERTS_N = 8;
std::vector<glm::vec4> verts_data;
public:
void init() override {
@@ -29,21 +32,16 @@ public:
program = build_program("main", vs, fs);
glm::vec4 verts_data[VERTS_N]{
{+0.5, +0.5, +0.5, +0.0},
{+0.5, -0.5, +0.5, +0.0},
{-0.5, -0.5, +0.5, +0.0},
{-0.5, +0.5, +0.5, +0.0},
{+0.5, +0.5, +0.5, -0.5},
{+0.5, -0.5, +0.5, -0.5},
{-0.5, -0.5, +0.5, +0.5},
{-0.5, +0.5, +0.5, +0.5},
};
verts_data = vertices<3>({}, Multiplicites<3>({
{0, 1, 4},
{1, 2, 3}
}), {
2.0f, .05f, 0.05f
});
glGenBuffers(1, &verts);
glBindBuffer(GL_ARRAY_BUFFER, verts);
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 4 * VERTS_N, verts_data, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec4) * verts_data.size(), &verts_data[0], GL_STATIC_DRAW);
glGenVertexArrays(1, &tri);
@@ -78,7 +76,7 @@ public:
glPointSize(10.f);
glBindVertexArray(tri);
glDrawArrays(GL_POINTS, 0, VERTS_N);
glDrawArrays(GL_POINTS, 0, verts_data.size());
swapbuffers();
}