public (GeometryComponent, TransformComponent, BoundingSphereComponent) Create(GeometryModel model)
{
var entity = this.Entities.Create();
var geometry = new GeometryComponent(entity, model);
var transform = new TransformComponent(entity, Vector3.Zero, 1.0f);
var bounds = new BoundingSphereComponent(entity, BoundingSphere.CreateMerged(new BoundingSphere(Vector3.Zero, 0.0f), model.Bounds).Radius);
this.Components.Add(geometry, transform, bounds);
return(geometry, transform, bounds);
}
public (ParticleEmitterComponent, TransformComponent, BoundingSphereComponent, ForcesComponent) Create(int paticleCount)
{
var entity = this.Entities.Create();
var particleEmitter = new ParticleEmitterComponent(entity, this.Device, paticleCount);
var transform = new TransformComponent(entity);
var bounds = new BoundingSphereComponent(entity, 1.0f); // Automatically adjusted by particle system
var forces = new ForcesComponent(entity);
this.Components.Add(particleEmitter, transform, bounds, forces);
return(particleEmitter, transform, bounds, forces);
}
public (GeometryComponent, TransformComponent, BoundingSphereComponent, InstancingComponent instances) Create(GeometryModel model, Matrix[] instances)
{
var entity = this.Entities.Create();
var geometry = new GeometryComponent(entity, model);
var transform = new TransformComponent(entity, Vector3.Zero, 1.0f);
var bounds = new BoundingSphereComponent(entity, Merge(model.Bounds, instances).Radius);
var instancing = InstancingComponent.Create(entity, instances);
this.Components.Add(geometry, transform, bounds, instancing);
return(geometry, transform, bounds, instancing);
}
public void UpdateBounds(ParticleEmitterComponent component, BoundingSphereComponent bounds)
{
bounds.Radius = ComputeBounds(component);
bounds.ChangeState.Change();
}