PhysicsSimulator.cpp

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#include "PhysicsSimulator.h"
 
PhysicsSimulator::PhysicsSimulator()
    : bC(Vector3D(0, 0, 0), Vector3D(300, 200, 100)), previousTime(0), startedSim(false) {
 
    lights[0].Set(Vector3D(1000, 0, 0), Vector3D(255, 0, 0), 1000.0f, 0.75f, 0.25f); // Set lights position, color intensity, falloff distance, and falloff curvature
    lights[1].Set(Vector3D(0, 1000, 0), Vector3D(0, 255, 0), 1000.0f, 0.75f, 0.25f);
    lights[2].Set(Vector3D(0, 0, 1000), Vector3D(0, 0, 255), 1000.0f, 0.75f, 0.25f);
    lights[3].Set(Vector3D(-2000, 0, 0), Vector3D(120, 0, 120), 1000.0f, 0.75f, 0.25f);
    lights[4].Set(Vector3D(0, -1000, 0), Vector3D(120, 120, 0), 1000.0f, 0.75f, 0.25f);
    lights[5].Set(Vector3D(0, 0, -1000), Vector3D(0, 120, 120), 1000.0f, 0.75f, 0.25f);
 
    /*
    objects[0] = &icosaSphere1Obj;
    objects[1] = &icosaSphere2Obj;
    objects[2] = &icosaSphere3Obj;
    objects[3] = &icosaSphere4Obj;
    objects[4] = &icosaSphere5Obj;
    objects[5] = &icosaSphere6Obj;
    objects[6] = &icosaSphere7Obj;
    objects[7] = &icosaSphere8Obj;
    objects[8] = &icosaSphere9Obj;
    objects[9] = &icosaSphere10Obj;
    objects[10] = &icosaSphere11Obj;
    objects[11] = &icosaSphere12Obj;
 
    icosaSphere1Obj.MoveRelative(Vector3D(-125, 150, 0));
    icosaSphere2Obj.MoveRelative(Vector3D(-75, 150, 0));
    icosaSphere3Obj.MoveRelative(Vector3D(-25, 150, 0));
    icosaSphere4Obj.MoveRelative(Vector3D(25, 150, 0));
    icosaSphere5Obj.MoveRelative(Vector3D(75, 150, 0));
    icosaSphere6Obj.MoveRelative(Vector3D(125, 150, 0));
    icosaSphere7Obj.MoveRelative(Vector3D(-125, 75, 0));
    icosaSphere8Obj.MoveRelative(Vector3D(-75, 75, 0));
    icosaSphere9Obj.MoveRelative(Vector3D(-25, 75, 0));
    icosaSphere10Obj.MoveRelative(Vector3D(25, 75, 0));
    icosaSphere11Obj.MoveRelative(Vector3D(75, 75, 0));
    icosaSphere12Obj.MoveRelative(Vector3D(125, 75, 0));
    */
 
    scene = new Scene(12);
    bMS = new BoundaryMotionSimulator(objects, 12, &bC, 25.0f, 0.95f);
 
    bMS->Randomize(1500.0f);
}
 
Scene* PhysicsSimulator::GetScene() {
    return scene;
}
 
void PhysicsSimulator::Update(Vector3D acceleration, Quaternion rotation) {
    if (!startedSim) {
        previousTime = micros();
        startedSim = true;
    }
 
    long currentTime = micros();
    float dT = (float)(currentTime - previousTime) / 1000000.0f;
 
    Vector3D accelNormalized = Vector3D(acceleration.X, acceleration.Z, acceleration.Y);
 
    bMS->Update(dT, accelNormalized, rotation);
 
    for (int i = 0; i < 12; i++) {
        float positionZ = objects[i]->GetTransform()->GetPosition().Z;
        float scaleRatio = Mathematics::Map(positionZ, -50.0f, 50.0f, 1.2f, 0.8f);
 
        objects[i]->GetTransform()->SetScale(Vector3D(scaleRatio, scaleRatio, scaleRatio));
    }
 
    previousTime = currentTime;
 
    //objects[i]->GetTransform(). apply
}