AnotherFoxGuy/bounce
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

store tension action force inside spring, make spring output force and derivative for abstraction, cleanup

Browse Source
This commit is contained in:
Irlan
2018-05-25 00:00:07 -03:00
parent bb9839321d
commit 8b775361a9
5 changed files with 191 additions and 204 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
examples/testbed/tests/tension_mapping.h
View File

@ -108,6 +108,27 @@ public:
m_cloth.Step(dt);
m_cloth.Apply();
b3StackArray<b3Vec3, 256> tension;
tension.Resize(m_cloth.GetParticleCount());
for (u32 i = 0; i < tension.Count(); ++i)
{
tension[i].SetZero();
}
for (u32 i = 0; i < m_cloth.GetSpringCount(); ++i)
{
b3Spring* s = m_cloth.GetSpring(i);
b3Particle* p1 = s->p1;
b3Particle* p2 = s->p2;
u32 i1 = m_cloth.GetParticleIndex(p1);
u32 i2 = m_cloth.GetParticleIndex(p2);
tension[i1] += s->tension;
tension[i2] -= s->tension;
}
for (u32 i = 0; i < m_gridClothMesh.triangleCount; ++i)
{
b3ClothMeshTriangle* t = m_gridClothMesh.triangles + i;
@ -124,13 +145,13 @@ public:
b3Draw_draw->DrawSegment(v2, v3, b3Color_black);
b3Draw_draw->DrawSegment(v3, v1, b3Color_black);
b3Vec3 f1 = p1->tension;
b3Vec3 f1 = tension[t->v1];
float32 L1 = b3Length(f1);
b3Vec3 f2 = p2->tension;
b3Vec3 f2 = tension[t->v2];
float32 L2 = b3Length(f2);
b3Vec3 f3 = p3->tension;
b3Vec3 f3 = tension[t->v3];
float32 L3 = b3Length(f3);
float32 L = (L1 + L2 + L3) / 3.0f;