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Scale down the cloth triangles for rendering

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This commit is contained in:
Irlan 2019-06-24 18:11:19 -03:00
parent 028d8e101c
commit 9189b6dfef
2 changed files with 22 additions and 5 deletions
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17
examples/testbed/tests/tension_mapping.h
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@ -126,6 +126,11 @@ public:
{
tension[v2] -= s->GetActionForce();
}
b3Vec3 p1 = s->GetParticle1()->GetPosition();
b3Vec3 p2 = s->GetParticle2()->GetPosition();
g_draw->DrawSegment(p1, p2, b3Color_black);
}
}
@ -136,10 +141,14 @@ public:
b3Vec3 v1 = m_cloth->GetParticle(t->v1)->GetPosition();
b3Vec3 v2 = m_cloth->GetParticle(t->v2)->GetPosition();
b3Vec3 v3 = m_cloth->GetParticle(t->v3)->GetPosition();
b3Vec3 c = (v1 + v2 + v3) / 3.0f;
g_draw->DrawSegment(v1, v2, b3Color_black);
g_draw->DrawSegment(v2, v3, b3Color_black);
g_draw->DrawSegment(v3, v1, b3Color_black);
float32 s = 0.9f;
v1 = s * (v1 - c) + c;
v2 = s * (v2 - c) + c;
v3 = s * (v3 - c) + c;
b3Vec3 f1 = tension[t->v1];
float32 L1 = b3Length(f1);
@ -160,7 +169,7 @@ public:
g_draw->DrawSolidTriangle(n1, v1, v2, v3, color);
b3Vec3 n2 = -n1;
g_draw->DrawSolidTriangle(n2, v1, v3, v2, color);
g_draw->DrawSolidTriangle(n2, v3, v2, v1, color);
}
if (m_clothDragger->IsDragging())

10
src/bounce/cloth/cloth.cpp
View File

@ -661,11 +661,19 @@ void b3Cloth::Draw() const
b3Vec3 v2 = p2->m_position;
b3Vec3 v3 = p3->m_position;
b3Vec3 c = (v1 + v2 + v3) / 3.0f;
float32 s = 0.9f;
v1 = s * (v1 - c) + c;
v2 = s * (v2 - c) + c;
v3 = s * (v3 - c) + c;
b3Vec3 n1 = b3Cross(v2 - v1, v3 - v1);
n1.Normalize();
b3Draw_draw->DrawSolidTriangle(n1, v1, v2, v3, b3Color_blue);
b3Vec3 n2 = -n1;
b3Draw_draw->DrawSolidTriangle(n2, v1, v3, v2, b3Color_blue);
b3Draw_draw->DrawSolidTriangle(n2, v3, v2, v1, b3Color_blue);
}
}