allemang.d/toddcox-visualize
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fix orientation

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This commit is contained in:
David Allemang
2020-01-27 18:16:21 -05:00
parent 2c27de54d3
commit 53aa778446
5 changed files with 27 additions and 24 deletions
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3
vis/include/geometry.hpp
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@@ -241,12 +241,11 @@ struct GeomGen {
int start = sub_simps.size();
sub_simps = tile(g_gens, sg_gens, sub_simps);
for (int l = start; l < sub_simps.size(); l+=S.dim) {
S.vals.push_back(0);
for (int m = l; m < l+S.dim; m++) {
S.vals.push_back(sub_simps.vals[m]);
}
S.vals.push_back(0);
}
}
return S;
}

6
vis/shaders/stereo-proper.vs.glsl
View File

@@ -1,12 +1,14 @@
#version 430
layout(location=0) uniform mat4 proj;
layout(location=1) uniform mat4 view;
layout(location=0) in vec4 pos;
out vec4 gpos;
out vec4 vpos;
void main() {
gpos = view * pos;
vpos = view * pos;
gl_Position = proj * vec4(vpos.xyz / (1), 1);
gl_PointSize = 5;
}

24
vis/src/main.cpp
View File

@@ -27,7 +27,6 @@ float floatmod(float x, float m) {
int main(int argc, char *argv[]) {
//region init window
if (!glfwInit()) {
std::cerr << "Failed to initialize GLFW" << std::endl;
return EXIT_FAILURE;
@@ -47,7 +46,6 @@ int main(int argc, char *argv[]) {
glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
glfwSwapInterval(0);
//endregion
std::cout << utilInfo();
@@ -66,7 +64,7 @@ int main(int argc, char *argv[]) {
utilCompileFiles(GL_VERTEX_SHADER, {"shaders/stereo-proper.vs.glsl"}),
// utilCompileFiles(GL_VERTEX_SHADER, {"shaders/ortho.vs.glsl"}),
// utilCompileFiles(GL_VERTEX_SHADER, {"shaders/stereo.vs.glsl"}),
utilCompileFiles(GL_GEOMETRY_SHADER, {"shaders/stereo-proper.gm.glsl"}),
// utilCompileFiles(GL_GEOMETRY_SHADER, {"shaders/stereo-proper.gm.glsl"}),
utilCompileFiles(GL_FRAGMENT_SHADER, {"shaders/one-color.fs.glsl"}),
// utilCompileFiles(GL_FRAGMENT_SHADER, {"shaders/w-axis-hue.fs.glsl"})
});
@@ -76,7 +74,7 @@ int main(int argc, char *argv[]) {
exit(EXIT_FAILURE);
}
auto group = tc::group::H(4);
auto group = tc::group::H(3);
// auto group = tc::group::B(5);
// auto group = tc::group::A(5);
GeomGen gg(group);
@@ -101,8 +99,10 @@ int main(int argc, char *argv[]) {
std::vector<GLuint> edge_ibo;
auto g_gens = gg.group_gens();
for (const auto i : g_gens) {
std::vector<int> sg_gens = {i};
GLenum mode = GL_TRIANGLES;
{
std::vector<int> sg_gens = {0, 1};
const auto data = gg.tile(g_gens, sg_gens, gg.triangulate(sg_gens)).vals;
edge_count.push_back(data.size());
@@ -147,6 +147,8 @@ int main(int argc, char *argv[]) {
glEnable(GL_PROGRAM_POINT_SIZE);
glEnable(GL_POINT_SMOOTH);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
//region uniforms
auto aspect = (float) width / (float) height;
@@ -171,15 +173,15 @@ int main(int argc, char *argv[]) {
auto view = glm::identity<glm::mat4>();
view *= utilRotate(0, 1, st * ts[0]);
view *= utilRotate(0, 2, st * ts[1]);
view *= utilRotate(0, 3, st * ts[2]);
// view *= utilRotate(0, 3, st * ts[2]);
view *= utilRotate(1, 2, st * ts[3]);
view *= utilRotate(1, 3, st * ts[4]);
view *= utilRotate(2, 3, st * ts[5]);
// view *= utilRotate(1, 3, st * ts[4]);
// view *= utilRotate(2, 3, st * ts[5]);
glUniformMatrix4fv(1, 1, false, glm::value_ptr(view));
//endregion
glUniform3f(2, 1.0f, 1.0f, 1.0f);
glDrawArrays(GL_POINTS, 0, points.size());
// glDrawArrays(GL_POINTS, 0, points.size());
glUniform3f(2, 1.0f, 1.0f, 1.0f);
for (int i = 0; i < group.ngens; ++i) {
@@ -187,7 +189,7 @@ int main(int argc, char *argv[]) {
auto count = edge_count[i];
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
glDrawElements(GL_LINES, count, GL_UNSIGNED_INT, nullptr);
glDrawElements(mode, count, GL_UNSIGNED_INT, nullptr);
}
glfwSwapBuffers(window);