Add dynamic rotations (in 4d)

Make simplexes argument to geometry generation functions const
Setup really cool looking parameters

vis/include/geometry.hpp

@@ -33,7 +33,7 @@ struct Simplexes {
     Simplexes(int dim, std::vector<int> &vals): dim(dim), vals(vals) {}
     explicit Simplexes(SimplexesList sl);
 
-    size_t size() {
+    size_t size() const {
         return vals.size();
     }
 };
@@ -136,7 +136,7 @@ struct GeomGen {
         return solve_sg(sg_gens);
     }
 
-    Simplexes recontext(std::vector<int> &g_gens, std::vector<int> &sg_gens, Simplexes &items) {
+    Simplexes recontext(std::vector<int> &g_gens, std::vector<int> &sg_gens, const Simplexes &items) {
         auto s_sg_gens = prepare_gens(g_gens, sg_gens);
         auto table = solve_g(g_gens);
         auto path = solve_g(sg_gens).path;
@@ -153,7 +153,7 @@ struct GeomGen {
         return ret;
     }
 
-    Simplexes tile(std::vector<int> &g_gens, std::vector<int> &sg_gens, Simplexes &items) {
+    Simplexes tile(std::vector<int> &g_gens, std::vector<int> &sg_gens, const Simplexes &items) {
         Simplexes base = recontext(g_gens, sg_gens, items);
         auto s_sg_gens = prepare_gens(g_gens, sg_gens);
         auto table = solve_g(g_gens);

vis/src/main.cpp

@@ -1,5 +1,6 @@
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
+#include <cmath>
 #include <iostream>
 
 #include <glm/gtc/type_ptr.hpp>
@@ -17,6 +18,13 @@ __attribute__((unused)) __declspec(dllexport) int NvOptimusEnablement = 0x000000
 }
 #endif
 
+float floatmod(float x, float m) {
+    if (x < 0) {
+        x += (float)((int)((-x)/m) + 1)*m;
+    }
+    return x - ((float)((int)(x / m)))*m;
+}
+
 int main(int argc, char *argv[]) {
     //region init window
 
@@ -59,8 +67,8 @@ int main(int argc, char *argv[]) {
 //            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_FRAGMENT_SHADER, {"shaders/one-color.fs.glsl"}),
-            utilCompileFiles(GL_FRAGMENT_SHADER, {"shaders/w-axis-hue.fs.glsl"})
+            utilCompileFiles(GL_FRAGMENT_SHADER, {"shaders/one-color.fs.glsl"}),
+//            utilCompileFiles(GL_FRAGMENT_SHADER, {"shaders/w-axis-hue.fs.glsl"})
         });
     } catch (const gl_error &e) {
         std::cerr << e.what() << std::endl;
@@ -68,16 +76,18 @@ int main(int argc, char *argv[]) {
         exit(EXIT_FAILURE);
     }
 
-    auto group = tc::group::H(3)*tc::group::H(2);
+    auto group = tc::group::H(4);
+//    auto group = tc::group::B(5);
+//    auto group = tc::group::A(5);
     GeomGen gg(group);
     auto res = gg.solve();
     auto mirrors = mirror(group);
 
     auto corners = plane_intersections(mirrors);
-    auto start = barycentric(corners, {1.00f, 1.00f, 0.05, 1.00f});
-//    auto start = barycentric(corners, {1.00f, 0.05f, 0.05f, 0.05f});
+//    auto start = barycentric(corners, {.75f, .75f, .75f, .75f});
+    auto start = barycentric(corners, {1.00f, 0.1f, 0.01f, 0.005f});
 //    auto start = barycentric(corners, {1, 1, 0.05, 1});
-    auto points = res.path.walk<glm::vec4, glm::vec4>(start, mirrors, reflect_scaled);
+    auto points = res.path.walk<glm::vec4, glm::vec4>(start, mirrors, reflect);
 
     GLuint vbo;
     glGenBuffers(1, &vbo);
@@ -91,12 +101,14 @@ int main(int argc, char *argv[]) {
     std::vector<GLuint> edge_ibo;
     Simplexes base(1);
     base.vals = {0,1};
-    auto g_gens = gg.group_gens();
+    std::vector<int> g_gens = gg.group_gens();
 
-    for (int i = 0; i < group.ngens; i++) {
+    printf("Num Edges:\n");
+    for (const auto i : g_gens) {
         std::vector<int> sg_gens = {i};
         const auto data = gg.tile(g_gens, sg_gens, base).vals;
         edge_count.push_back(data.size());
+        printf("\t%d: %d", i, data.size());
 
         GLuint ibo;
         glGenBuffers(1, &ibo);
@@ -107,6 +119,27 @@ int main(int argc, char *argv[]) {
 
     glBindBuffer(GL_ARRAY_BUFFER, 0);
 
+    size_t numts = 7;
+    float rates[numts];
+    rates[0] = 1.237;
+    rates[1] = 2.439;
+    rates[2] = 5.683;
+    rates[3] = -3.796;
+    rates[4] = 0.787;
+    rates[5] = -1.893;
+    rates[6] = 3.699;
+
+    float _ts[numts];
+    float _ts_temp[numts];
+    for (int i = 0; i < numts; ++i) {
+        _ts[i] = ((float)i - (numts/2.f))*0.1f;
+    }
+    float* ts = _ts;
+    float* ts_temp = _ts_temp;
+    float* swap_t;
+    float alpha = 0.0001;
+    float beta = 0.0002;
+
     while (!glfwWindowShouldClose(window)) {
         int width, height;
         glfwGetFramebufferSize(window, &width, &height);
@@ -127,14 +160,25 @@ int main(int argc, char *argv[]) {
         glm::mat4 proj = glm::ortho(-pwidth, pwidth, -pheight, pheight, -10.0f, 10.0f);
         glUniformMatrix4fv(0, 1, false, glm::value_ptr(proj));
 
-        auto t = (float) glfwGetTime() / 3;
+        auto st = (float) glfwGetTime() / 8;
+        auto t = st / 7;
+//        printf("ts: [%f", ts[0]);
+        ts_temp[0] = ts[0] + alpha * (float)std::cos(rates[0] * t) + beta * (-ts[0]);
+        for (size_t i = 1; i < numts; i++){
+//            printf( ", %f", ts[i]);
+            ts_temp[i] = ts[i] + alpha * (float)std::cos(rates[i] * t) + beta * (-ts[i]);
+        }
+//        printf("]\n");
+        swap_t = ts;
+        ts = ts_temp;
+        ts_temp = swap_t;
         auto view = glm::identity<glm::mat4>();
-        view *= utilRotate(0, 1, t * 0.8f);
-        view *= utilRotate(0, 2, t * 0.9f);
-        view *= utilRotate(0, 3, t * 1.0f);
-        view *= utilRotate(1, 2, -t * 1.1f);
-        view *= utilRotate(1, 3, -t * 1.2f);
-        view *= utilRotate(2, 3, -t * 1.3f);
+        view *= utilRotate(0, 1, st * ts[0]);
+        view *= utilRotate(0, 2, st * ts[1]);
+        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]);
         glUniformMatrix4fv(1, 1, false, glm::value_ptr(view));
         //endregion