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made vec templates.

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Yggdrasil75
2025-12-04 12:44:02 -05:00
parent b418f38689
commit ff8639baae
7 changed files with 345 additions and 292 deletions
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42
util/noise/pnoise2.hpp
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@@ -7,7 +7,7 @@
#include <functional>
#include <random>
#include "../vectorlogic/vec2.hpp"
#include "../vectorlogic/vec3.hpp"
#include "../vectorlogic/Vec3.hpp"
#include "../timing_decorator.hpp"
class PNoise2 {
@@ -31,16 +31,16 @@ private:
else return Vec2(1,-1);
}
Vec3 GetConstantVector3(int v) {
Vec3ui8 GetConstantVector3(int v) {
int h = v & 7;
if (h == 0) return Vec3(1,1,1);
else if (h == 1) return Vec3(-1,1, 1);
else if (h == 2) return Vec3(-1,-1, 1);
else if (h == 3) return Vec3(-1,-1, 1);
else if (h == 4) return Vec3(-1,-1,-1);
else if (h == 5) return Vec3(-1,-1, -1);
else if (h == 6) return Vec3(-1,-1, -1);
else return Vec3(1,-1, -1);
if (h == 0) return Vec3ui8(1,1,1);
else if (h == 1) return Vec3ui8(-1,1, 1);
else if (h == 2) return Vec3ui8(-1,-1, 1);
else if (h == 3) return Vec3ui8(-1,-1, 1);
else if (h == 4) return Vec3ui8(-1,-1,-1);
else if (h == 5) return Vec3ui8(-1,-1, -1);
else if (h == 6) return Vec3ui8(-1,-1, -1);
else return Vec3ui8(1,-1, -1);
}
static double grad(int hash, double x, double y, double z = 0.0) {
@@ -106,7 +106,8 @@ public:
return retval;
}
float permute(Vec3 point) {
template<typename T>
float permute(Vec3<T> point) {
TIME_FUNCTION;
int X = (int)floor(point.x) & 255;
int Y = (int)floor(point.y) & 255;
@@ -115,15 +116,15 @@ public:
float yf = point.y - Y;
float zf = point.z - Z;
Vec3 FBL = Vec3(xf-0, yf-0, zf-0);
Vec3 FBR = Vec3(xf-1, yf-0, zf-0);
Vec3 FTL = Vec3(xf-0, yf-1, zf-0);
Vec3 FTR = Vec3(xf-1, yf-1, zf-0);
Vec3ui8 FBL = Vec3ui8(xf-0, yf-0, zf-0);
Vec3ui8 FBR = Vec3ui8(xf-1, yf-0, zf-0);
Vec3ui8 FTL = Vec3ui8(xf-0, yf-1, zf-0);
Vec3ui8 FTR = Vec3ui8(xf-1, yf-1, zf-0);
Vec3 RBL = Vec3(xf-0, yf-0, zf-1);
Vec3 RBR = Vec3(xf-1, yf-0, zf-1);
Vec3 RTL = Vec3(xf-0, yf-1, zf-1);
Vec3 RTR = Vec3(xf-1, yf-1, zf-1);
Vec3ui8 RBL = Vec3ui8(xf-0, yf-0, zf-1);
Vec3ui8 RBR = Vec3ui8(xf-1, yf-0, zf-1);
Vec3ui8 RTL = Vec3ui8(xf-0, yf-1, zf-1);
Vec3ui8 RTR = Vec3ui8(xf-1, yf-1, zf-1);
int vFBL = permutation[permutation[permutation[Z+0]+X+0]+Y+0];
int vFBR = permutation[permutation[permutation[Z+0]+X+1]+Y+0];
@@ -165,5 +166,4 @@ public:
};
#endif
//https://rtouti.github.io/graphics/perlin-noise-algorithm
#endif