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separated mesh data from Mesh class

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devZoGok
2022-03-15 07:25:20 +02:00
parent 8551823dd8
commit 993dddb130
10 changed files with 144 additions and 121 deletions
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ray.cpp
+10 -3
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@@ -9,6 +9,7 @@ using namespace std;
namespace vb01{
void Ray::retrieveCollisions(Vector3 rayPos, Vector3 rayDir, Node *node, std::vector<CollisionResult> &results, const float rayLength){
castRay(rayPos, rayDir, node, results, rayLength);
for(Node *c : node->getChildren())
retrieveCollisions(rayPos, rayDir, c, results, rayLength);
}
@@ -16,24 +17,29 @@ namespace vb01{
void Ray::castRay(Vector3 rayPos, Vector3 rayDir, Node *node, vector<CollisionResult> &results, float rayLength){
Vector3 pos = node->localToGlobalPosition(Vector3::VEC_ZERO);
Quaternion rot = node->localToGlobalOrientation(Quaternion::QUAT_W);
for(Mesh *m : node->getMeshes()){
const int numVerts = m->getNumVerts();
Mesh::Vertex *vertices = m->getVerts();
u32 *indices = m->getIndices();
const int numVerts = m->getMeshBase().numTris * 3;
MeshData::Vertex *vertices = m->getMeshBase().vertices;
u32 *indices = m->getMeshBase().indices;
for(int i = 0; i < numVerts / 3; i++){
Vector3 pointA = pos + rot * vertices[indices[i * 3]].pos, pointB = pos + rot * vertices[indices[i * 3 + 1]].pos, pointC = pos + rot * vertices[indices[i * 3 + 2]].pos;
Vector3 hypVec = pointA - rayPos;
Vector3 perpVec = (pointB - pointA).cross(pointC - pointA);
float a1 = hypVec.norm().getAngleBetween(perpVec.norm());
if(a1 > PI / 2){
a1 = PI - a1;
perpVec = -perpVec;
}
float perpLine = hypVec.getLength() * cos(a1);
float a2 = perpVec.norm().getAngleBetween(rayDir.norm());
if(a2 <= PI / 2){
float distance = perpLine / cos(a2);
if((distance <= rayLength && rayLength != .0) || rayLength == .0){
Vector3 contactPoint = rayPos + rayDir.norm() * distance;
float angleA = (pointB - pointA).norm().getAngleBetween((pointC - pointA).norm());
@@ -45,6 +51,7 @@ namespace vb01{
bool withinBisecA = (contactPoint - pointA).norm().getAngleBetween(bisecAVec.norm()) <= angleA / 2;
bool withinBisecB = (contactPoint - pointB).norm().getAngleBetween(bisecBVec.norm()) <= angleB / 2;
bool withinBisecC = (contactPoint - pointC).norm().getAngleBetween(bisecCVec.norm()) <= angleC / 2;
if(withinBisecA && withinBisecB && withinBisecC){
CollisionResult result;
result.pos = contactPoint;