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Refactor Slice / SliceRenderer to be less general; get away from "prop" overhead.

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This commit is contained in:
David Allemang
2020-10-11 18:55:43 -04:00
parent c164c319fc
commit 0534c4322c
5 changed files with 126 additions and 134 deletions
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27
vis/include/geometry.hpp
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@@ -7,6 +7,33 @@
#include <iostream>
#include "combo_iterator.hpp"
template<int N>
using vec = Eigen::Matrix<float, N, 1>;
template<int N>
using mat = Eigen::Matrix<float, N, N>;
using vec1 = vec<1>;
using vec2 = vec<2>;
using vec3 = vec<3>;
using vec4 = vec<4>;
using vec5 = vec<5>;
using mat1 = mat<1>;
using mat2 = mat<2>;
using mat3 = mat<3>;
using mat4 = mat<4>;
using mat5 = mat<5>;
mat4 ortho(float left, float right, float bottom, float top, float front, float back) {
mat<4> res = mat4();
res <<
2 / (right - left), 0, 0, -(right + left) / (right - left),
0, 2 / (top - bottom), 0, -(top + bottom) / (top - bottom),
0, 0, 2 / (front - back), -(front + back) / (front - back),
0, 0, 0, 1;
return res;
}
/**
* An primitive stage N indices.
* @tparam N