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add tesseract frame

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This commit is contained in:
David Allemang
2018-12-21 09:07:24 -05:00
parent 876f1edb85
commit d77e347bf4
3 changed files with 33 additions and 7 deletions
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19
simplex/include/solids.h
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@@ -47,4 +47,23 @@ Mesh<4> tesseract() {
rot_zw(T) * pair;
}
Mesh<4> tesseract_frame(float width) {
Mesh<4> edge = tesseract() * glm::vec4(width, width, width, 1);
auto o = glm::vec3(1 - width);
Mesh<4> set = (edge + glm::vec4(+o.x, +o.y, +o.z, 0)) +
(edge + glm::vec4(+o.x, +o.y, -o.z, 0)) +
(edge + glm::vec4(+o.x, -o.y, +o.z, 0)) +
(edge + glm::vec4(+o.x, -o.y, -o.z, 0)) +
(edge + glm::vec4(-o.x, +o.y, +o.z, 0)) +
(edge + glm::vec4(-o.x, +o.y, -o.z, 0)) +
(edge + glm::vec4(-o.x, -o.y, +o.z, 0)) +
(edge + glm::vec4(-o.x, -o.y, -o.z, 0));
return set +
rot_xw(T) * set +
rot_yw(T) * set +
rot_zw(T) * set;
}
#endif //SIMPLEX_SOLIDS_H