Sphere.cpp

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#include <tdme/engine/primitives/Sphere.h>
 
#include <ext/reactphysics3d/src/collision/shapes/SphereShape.h>
 
#include <tdme/tdme.h>
#include <tdme/math/Math.h>
#include <tdme/math/Vector3.h>
 
using std::to_string;
 
using tdme::engine::primitives::Sphere;
using tdme::math::Math;
using tdme::math::Vector3;
 
Sphere::Sphere()
{
    collisionShape = new reactphysics3d::SphereShape(radius);
    radius = Math::EPSILON;
}
 
Sphere::Sphere(const Vector3& center, float radius, const Vector3& scale)
{
    this->center.set(center);
    this->radius = radius;
    setScale(scale);
}
 
float Sphere::getRadius() const
{
    return radius;
}
 
void Sphere::setScale(const Vector3& scale) {
    // store new scale
    this->scale.set(scale);
 
    // remove old collision shape
    if (collisionShape != nullptr) delete collisionShape;
 
    collisionShapeLocalTranslation.set(center).scale(scale);
    collisionShapeLocalTransform.setPosition(reactphysics3d::Vector3(collisionShapeLocalTranslation.getX(), collisionShapeLocalTranslation.getY(), collisionShapeLocalTranslation.getZ()));
    collisionShape = new reactphysics3d::SphereShape(
        Math::max(Math::EPSILON, radius * Math::max(Math::abs(scale.getZ()), Math::max(Math::abs(scale.getX()), Math::abs(scale.getY()))))
    );
    // compute bounding box
    computeBoundingBox();
}
 
BoundingVolume* Sphere::clone() const
{
    return new Sphere(center, radius, scale);
}