private void handleCollision(CollisionInfo colInfo, float timestep)
{
GameObject obj1 = colInfo.Entity1;
GameObject obj2 = colInfo.Entity2;
Vector2 normal = colInfo.Normal;
float depth = colInfo.Depth;
if (!obj1.HasComponent(ComponentType.MotionProperties)) return;
if (!obj1.HasComponent(ComponentType.Transform2D)) return;
if (!obj1.HasComponent(ComponentType.BoundingBox)) return;
if (!obj2.HasComponent(ComponentType.Transform2D)) return;
if (!obj2.HasComponent(ComponentType.BoundingBox)) return;
MotionPropertiesComponent obj1MotionComponent =
(MotionPropertiesComponent)obj1.GetComponent(ComponentType.MotionProperties);
Transform2DComponent obj1TransformComponent =
(Transform2DComponent)obj1.GetComponent(ComponentType.Transform2D);
BoundingBoxComponent obj1BoundingBoxComponent =
(BoundingBoxComponent)obj1.GetComponent(ComponentType.BoundingBox);
CurrentActionComponent obj1CurActionComponent =
(CurrentActionComponent)obj1.GetComponent(ComponentType.Action);
Transform2DComponent obj2TransformComponent =
(Transform2DComponent)obj2.GetComponent(ComponentType.Transform2D);
BoundingBoxComponent obj2BoundingBoxComponent =
(BoundingBoxComponent)obj2.GetComponent(ComponentType.BoundingBox);
//velocity correction
Vector2 obj2obj1_vector = obj2TransformComponent.GetTranslation() - obj1TransformComponent.GetTranslation();
obj2obj1_vector.Normalize();
if (Vector2.Dot(normal, obj2obj1_vector) > 0)
{
normal = normal * -1;
}
Vector2 velocityCorrection = normal * depth * (float)(1.0f / timestep);
Vector2 positionCorrection = normal * depth;
if (obj2.HasComponent(ComponentType.MotionProperties))
{
MotionPropertiesComponent obj2MotionComponent =
(MotionPropertiesComponent)obj2.GetComponent(ComponentType.MotionProperties);
//obj1MotionComponent.AddVelocity(velocityCorrection);
}
else
{
obj1TransformComponent.AddTranslation(positionCorrection);
if (positionCorrection.Y != 0)
{
obj1MotionComponent.SetVelocity(new Vector2(obj1MotionComponent.GetVelocity().X, 0.0f));
}
else if(positionCorrection.X != 0)
{
obj1MotionComponent.SetVelocity(new Vector2(0.0f, obj1MotionComponent.GetVelocity().Y));
}
//obj1MotionComponent.AddVelocity(velocityCorrection);
}
if (velocityCorrection.Y != 0.0f)
{
obj1MotionComponent.State = MotionState.Ground;
if (obj1CurActionComponent != null &&
obj1CurActionComponent.curAction.secondaryAction != SecondaryAction.Smash &&
obj1CurActionComponent.curAction.secondaryAction != SecondaryAction.Shield &&
obj1CurActionComponent.curAction.secondaryAction != SecondaryAction.Walk &&
obj1CurActionComponent.curAction.secondaryAction != SecondaryAction.Throw &&
obj1CurActionComponent.curAction.secondaryAction != SecondaryAction.Grabbed &&
obj1CurActionComponent.curAction.secondaryAction != SecondaryAction.Grab)
{
obj1CurActionComponent.curAction.primaryAction = PrimaryAction.None;
obj1CurActionComponent.curAction.secondaryAction = SecondaryAction.Stand;
}
}
else
{
obj1MotionComponent.State = MotionState.Air;
}
//friction
if(obj2.HasComponent(ComponentType.PhysicalProperties))
{
PhysicalPropertiesComponent obj2PhysicalPropertiesComponent =
(PhysicalPropertiesComponent)obj2.GetComponent(ComponentType.PhysicalProperties);
Vector2 velocity = obj1MotionComponent.GetVelocity();
float velocityX = velocity.X / Math.Abs(velocity.X);
if (float.IsNaN(velocityX)) velocityX = 0;
float frictionCoefficient = obj2PhysicalPropertiesComponent.Friction * velocityX * -1.0f;
if (velocityX != 0)
{
float velocityXBuffer = obj1MotionComponent.GetVelocity().X;
obj1MotionComponent.AddVelocity(new Vector2(frictionCoefficient * timestep, 0.0f));
if (velocityXBuffer * obj1MotionComponent.GetVelocity().X < 0)
{
obj1MotionComponent.SetVelocity(
new Vector2(0.0f, obj1MotionComponent.GetVelocity().Y));
}
}
}
}
protected void triggerActionCollision(CollisionInfo colInfo, float timestep)
{
ActionCollision(colInfo, timestep);
}
protected void triggerCollisionEvent(CollisionInfo colInfo, float timestep)
{
GameObject obj1 = colInfo.Entity1;
GameObject obj2 = colInfo.Entity2;
if (obj1.HasComponent(ComponentType.IsPhysical) && obj2.HasComponent(ComponentType.IsPhysical))
{
this.triggerPhysicalCollision(colInfo, timestep);
}
if (obj1.HasComponent(ComponentType.IsAction) && obj2.HasComponent(ComponentType.IsCharacter))
{
this.triggerActionCollision(colInfo, timestep);
}
}
protected void triggerPhysicalCollision(CollisionInfo colInfo, float timestep)
{
PhysicalCollision(colInfo, timestep);
}
private void actionHitHandler(CollisionInfo colInfo, float timestep)
{
GameObject obj1 = colInfo.Entity1;
GameObject obj2 = colInfo.Entity2;
GameObject obj1Parent = obj1.GetParent();
if (!obj1.HasComponent(ComponentType.IsAction)) return;
if (!obj2.HasComponent(ComponentType.IsCharacter)) return;
if (!obj2.HasComponent(ComponentType.Health)) return;
if (!obj2.HasComponent(ComponentType.MotionProperties)) return;
IsActionComponent obj1ActionComponent = (IsActionComponent)obj1.GetComponent(ComponentType.IsAction);
LifetimeComponent obj1LifetimeComponent = (LifetimeComponent)obj1.GetComponent(ComponentType.Lifetime);
HealthComponent obj2HealthComponent = (HealthComponent)obj2.GetComponent(ComponentType.Health);
MotionPropertiesComponent obj2MotionComponent = (MotionPropertiesComponent)obj2.GetComponent(ComponentType.MotionProperties);
ActionInfoProjectile actionInfo = (ActionInfoProjectile)obj1ActionComponent.ActionInfo;
obj2HealthComponent.AddDmg(actionInfo.OnHitDamage);
Vector2 forceFinal = actionInfo.OnHitForce * obj2HealthComponent.getCurrDmg() / obj2MotionComponent.Mass;
obj2MotionComponent.AddVelocity(forceFinal);
obj1LifetimeComponent.Lifetime = 0;
if (obj1Parent != null)
{
CurrentActionComponent obj1ParentCurAction =
(CurrentActionComponent)obj1Parent.GetComponent(ComponentType.Action);
}
}