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IlyaShurupov 2023-10-22 17:07:28 +03:00 • committed by Ilya Shurupov
parent b4ae5dde77
commit 91fb72bd49
928 changed files with 14515 additions and 21479 deletions
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214
Math/private/Topology.cpp
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@ -1,104 +1,110 @@
#include "Topology.hpp"
void* operator new(std::size_t, void* in) { return in; }
using namespace tp;
Vec3F TrigCache::gHitPos;
TrigCache::TrigCache() : mP1(0), mP2(0), mP3(0) {}
TrigCache::TrigCache(ualni v1, ualni v2, ualni v3) : mP1(v1), mP2(v2), mP3(v3) {}
TrigCache::TrigCache(const TrigCache& in) {
mP1 = in.mP1;
mP2 = in.mP2;
mP3 = in.mP3;
mEdgeP1P2 = in.mEdgeP1P2;
mEdgeP1P3 = in.mEdgeP1P3;
mOrigin = in.mOrigin;
mNormal = in.mNormal;
}
void TrigCache::updateCache(const Buffer<Vec3F>& points) {
mOrigin = points[mP1];
mEdgeP1P2 = points[mP2] - points[mP1];
mEdgeP1P3 = points[mP3] - points[mP1];
mNormal = (points[mP2] - points[mP1]).cross(points[mP3] - points[mP1]).unitV();
}
bool TrigCache::castRay(const Ray& ray) const {
static Vec3F h, s, q;
static halnf a, f, u, v;
static halnf t;
if (ray.dir.dot(mNormal) > 0) {
return false;
}
h = ray.dir.cross(mEdgeP1P3);
a = mEdgeP1P2.dot(h);
if (a > -EPSILON && a < EPSILON) {
return false;
}
f = 1.f / a;
s = ray.pos - mOrigin;
u = f * s.dot(h);
if (u < 0.0 || u > 1.0) {
return false;
}
q = s.cross(mEdgeP1P2);
v = f * ray.dir.dot(q);
if (v < 0.f || u + v > 1.f) {
return false;
}
t = f * mEdgeP1P3.dot(q);
if (t > EPSILON) {
gHitPos = ray.pos + ray.dir * t;
return true;
} else {
return false;
}
}
const Vec3F& TrigCache::getHitPos() { return gHitPos; }
const Vec3F& TrigCache::getNormal() const { return mNormal; }
void TopologyCache::updateCache() {
TransformedNormals.clear();
TransformedPoints.clear();
TrigCaches.clear();
if (!Source) {
return;
}
TransformedPoints.reserve(Source->Points.size());
for (auto idx : Range(TransformedPoints.size())) {
TransformedPoints[idx] = Source->Basis.transform(Source->Points[idx]);
TransformedPoints[idx] += Source->Origin;
}
TransformedNormals.reserve(Source->Normals.size());
for (auto idx : Range(TransformedNormals.size())) {
TransformedNormals[idx] = Source->Basis.transform(Source->Normals[idx]);
}
TrigCaches.reserve(Source->Indexes.size());
for (auto idx : Range(TrigCaches.size())) {
TrigCaches[idx].mP1 = Source->Indexes[idx].x;
TrigCaches[idx].mP2 = Source->Indexes[idx].y;
TrigCaches[idx].mP3 = Source->Indexes[idx].z;
TrigCaches[idx].updateCache(TransformedPoints);
}
}
#include "Topology.hpp"
void* operator new(std::size_t, void* in) { return in; }
using namespace tp;
Vec3F TrigCache::gHitPos;
TrigCache::TrigCache() :
mP1(0),
mP2(0),
mP3(0) {}
TrigCache::TrigCache(ualni v1, ualni v2, ualni v3) :
mP1(v1),
mP2(v2),
mP3(v3) {}
TrigCache::TrigCache(const TrigCache& in) {
mP1 = in.mP1;
mP2 = in.mP2;
mP3 = in.mP3;
mEdgeP1P2 = in.mEdgeP1P2;
mEdgeP1P3 = in.mEdgeP1P3;
mOrigin = in.mOrigin;
mNormal = in.mNormal;
}
void TrigCache::updateCache(const Buffer<Vec3F>& points) {
mOrigin = points[mP1];
mEdgeP1P2 = points[mP2] - points[mP1];
mEdgeP1P3 = points[mP3] - points[mP1];
mNormal = (points[mP2] - points[mP1]).cross(points[mP3] - points[mP1]).unitV();
}
bool TrigCache::castRay(const Ray& ray) const {
static Vec3F h, s, q;
static halnf a, f, u, v;
static halnf t;
if (ray.dir.dot(mNormal) > 0) {
return false;
}
h = ray.dir.cross(mEdgeP1P3);
a = mEdgeP1P2.dot(h);
if (a > -EPSILON && a < EPSILON) {
return false;
}
f = 1.f / a;
s = ray.pos - mOrigin;
u = f * s.dot(h);
if (u < 0.0 || u > 1.0) {
return false;
}
q = s.cross(mEdgeP1P2);
v = f * ray.dir.dot(q);
if (v < 0.f || u + v > 1.f) {
return false;
}
t = f * mEdgeP1P3.dot(q);
if (t > EPSILON) {
gHitPos = ray.pos + ray.dir * t;
return true;
} else {
return false;
}
}
const Vec3F& TrigCache::getHitPos() { return gHitPos; }
const Vec3F& TrigCache::getNormal() const { return mNormal; }
void TopologyCache::updateCache() {
TransformedNormals.clear();
TransformedPoints.clear();
TrigCaches.clear();
if (!Source) {
return;
}
TransformedPoints.reserve(Source->Points.size());
for (auto idx : Range(TransformedPoints.size())) {
TransformedPoints[idx] = Source->Basis.transform(Source->Points[idx]);
TransformedPoints[idx] += Source->Origin;
}
TransformedNormals.reserve(Source->Normals.size());
for (auto idx : Range(TransformedNormals.size())) {
TransformedNormals[idx] = Source->Basis.transform(Source->Normals[idx]);
}
TrigCaches.reserve(Source->Indexes.size());
for (auto idx : Range(TrigCaches.size())) {
TrigCaches[idx].mP1 = Source->Indexes[idx].x;
TrigCaches[idx].mP2 = Source->Indexes[idx].y;
TrigCaches[idx].mP3 = Source->Indexes[idx].z;
TrigCaches[idx].updateCache(TransformedPoints);
}
}