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sphere shapeType for models means 'sphere'

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This commit is contained in:
Andrew Meadows 2017-03-06 15:14:51 -08:00
parent 5223f872c1
commit 10b3e7fc67
3 changed files with 15 additions and 3 deletions
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2
libraries/entities/src/ShapeEntityItem.cpp
View file

@ -163,7 +163,7 @@ void ShapeEntityItem::appendSubclassData(OctreePacketData* packetData, EncodeBit
// This value specifes how the shape should be treated by physics calculations.
// For now, all polys will act as spheres
ShapeType ShapeEntityItem::getShapeType() const {
return (_shape == entity::Shape::Cube) ? SHAPE_TYPE_BOX : SHAPE_TYPE_SPHERE;
return (_shape == entity::Shape::Cube) ? SHAPE_TYPE_BOX : SHAPE_TYPE_ELLIPSOID;
}
void ShapeEntityItem::setColor(const rgbColor& value) {

13
libraries/physics/src/ShapeFactory.cpp
View file

@ -256,9 +256,20 @@ const btCollisionShape* ShapeFactory::createShapeFromInfo(const ShapeInfo& info)
}
break;
case SHAPE_TYPE_SPHERE: {
glm::vec3 halfExtents = info.getHalfExtents();
float radius = glm::max(halfExtents.x, glm::max(halfExtents.y, halfExtents.z));
shape = new btSphereShape(radius);
}
break;
case SHAPE_TYPE_ELLIPSOID: {
glm::vec3 halfExtents = info.getHalfExtents();
float radius = halfExtents.x;
if (radius == halfExtents.y && radius == halfExtents.z) {
const float MIN_RADIUS = 0.001f;
const float MIN_RELATIVE_SPHERICAL_ERROR = 0.001f;
if (radius > MIN_RADIUS
&& fabs(radius - halfExtents.y) / radius < MIN_RELATIVE_SPHERICAL_ERROR
&& fabs(radius - halfExtents.z) / radius < MIN_RELATIVE_SPHERICAL_ERROR) {
// close enough to true sphere
shape = new btSphereShape(radius);
} else {
ShapeInfo::PointList points;

3
libraries/shared/src/ShapeInfo.h
View file

@ -45,7 +45,8 @@ enum ShapeType {
SHAPE_TYPE_COMPOUND,
SHAPE_TYPE_SIMPLE_HULL,
SHAPE_TYPE_SIMPLE_COMPOUND,
SHAPE_TYPE_STATIC_MESH
SHAPE_TYPE_STATIC_MESH,
SHAPE_TYPE_ELLIPSOID
};
class ShapeInfo {