allemang.d/toddcox-visualize
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allow higher dimensions in mirror solver

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allem
2020-01-08 23:43:40 -05:00
parent fb33a78718
commit eec9c0b0d8
3 changed files with 43 additions and 16 deletions
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18
vis/src/main.cpp
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@@ -56,8 +56,8 @@ int main(int argc, char *argv[]) {
"void main() {"
" int i = gl_VertexID;"
" vpos = view * pos;"
// " gl_Position = proj * vec4(vpos.xyz / (1), 1);"
" gl_Position = proj * vec4(vpos.xyz / (1 - vpos.w), 1);"
" gl_Position = proj * vec4(vpos.xyz / (1), 1);"
// " gl_Position = proj * vec4(vpos.xyz / (1 - vpos.w), 1);"
" gl_PointSize = 5;"
"}";
@@ -71,6 +71,7 @@ int main(int argc, char *argv[]) {
""
"void main() {"
" float d = smoothstep(-2, 2, vpos.z);"
" vec3 off = 1.04 * vec3(0, 2, 4) + 2 * vec3(vpos.w);"
" color = vec4(c * d, 1);"
"}";
@@ -107,12 +108,17 @@ int main(int argc, char *argv[]) {
}
//endregion
auto group = tc::group::B(4);
auto group = tc::group::H(3);
auto res = group.solve();
auto mirrors = mirror(group);
auto corners = plane_intersections(mirrors);
std::cout << "Solved " << res.size() << std::endl;
std::cout << "Mirror lengths:" << std::endl;
for (const auto &m : mirrors) {
std::cout << glm::length(m) << " (" << m.x << " " << m.y << " " << m.z << " " << m.w << ")" << std::endl;
}
auto start = barycentric(corners, {1.00f, 0.50f, 0.50f, 0.50f});
auto corners = plane_intersections(mirrors);
auto start = barycentric(corners, {1.00, 1.00, 1.00, 1.00});
auto points = res.path.walk<glm::vec4, glm::vec4>(start, mirrors, reflect);
GLuint vbo;
@@ -139,7 +145,7 @@ int main(int argc, char *argv[]) {
auto aspect = (float) width / (float) height;
auto pheight = 1.4f;
auto pwidth = aspect * pheight;
glm::mat4 proj = glm::ortho(-pwidth, pwidth, -pheight, pheight);
glm::mat4 proj = glm::ortho(-pwidth, pwidth, -pheight, pheight, -100.0f, 100.0f);
glUniformMatrix4fv(0, 1, false, glm::value_ptr(proj));
auto t = (float) glfwGetTime() / 3;