override protected void OnRender(Registry registry)
{
Renderer2D.BeginScene();
var staticEntities = registry.GetEntitiesWithComponent <SpriteRenderer>();
foreach (var entity in staticEntities)
{
if (registry.TryGetComponent <TransformComponent>(entity, out var transformComponent))
{
var spriteComp = registry.GetComponent <SpriteRenderer>(entity);
Renderer2D.DrawQuad(spriteComp.Texture, transformComponent.GetTransform());
}
}
var animatedEntities = registry.GetEntitiesWithComponent <SpriteAnimator>();
foreach (var entity in animatedEntities)
{
if (registry.TryGetComponent(entity, out TransformComponent transformComponent))
{
var spriteComp = registry.GetComponent <SpriteAnimator>(entity);
spriteComp.TimeCache += (float)Application.DeltaTime;
float timeBetweenFrames = (1f / spriteComp.FrameRate);
if (spriteComp.TimeCache >= timeBetweenFrames)
{
spriteComp.AddToCurrentFrame((int)(spriteComp.TimeCache / timeBetweenFrames));
spriteComp.TimeCache = 0;
}
Renderer2D.DrawQuad(spriteComp.Texture, spriteComp.TextureOffset, transformComponent.GetTransform());
}
}
foreach (var entity in registry.GetEntitiesWithComponent <ParticleEmitter2D>())
{
if (registry.TryGetComponent(entity, out TransformComponent transformComponent))
{
var emitter = registry.GetComponent <ParticleEmitter2D>(entity);
if (emitter.IsActive && emitter.HasBeenSet)
{
for (int i = 0; i < emitter.Length; i++)
{
Matrix4 particleTransform = Matrix4.Identity;
particleTransform *= Matrix4.CreateScale(emitter.Sizes[i].X / Quad.DefaultSize, emitter.Sizes[i].Y / Quad.DefaultSize, 1);
particleTransform *= Matrix4.CreateRotationZ(emitter.AnglesAndTorques[i].X);
particleTransform *= Matrix4.CreateTranslation(new Vector3(emitter.PositionsAndVelocitys[i].X, emitter.PositionsAndVelocitys[i].Y, 10));
Renderer2D.DrawQuad(new Vector4(emitter.Colors[i].R, emitter.Colors[i].G, emitter.Colors[i].B, emitter.Colors[i].A), particleTransform);
}
}
}
}
#if DEBUG
if ((Renderer2D.DebugFlags & DebugRenderingFlags.DebugRenderers) == DebugRenderingFlags.DebugRenderers)
{
var debugEntities = registry.GetEntitiesWithComponent <DebugRenderer>();
foreach (var entity in debugEntities)
{
if (registry.TryGetComponent <TransformComponent>(entity, out var transformComponent) &&
registry.TryGetComponent(entity, out BoxCollider boxCollider))
{
Matrix4 renderTransform = Matrix4.Identity;
renderTransform *= Matrix4.CreateScale(boxCollider.Width / Quad.DefaultSize, boxCollider.Height / Quad.DefaultSize, 1);
renderTransform *= Matrix4.CreateFromQuaternion(Quaternion.FromEulerAngles(transformComponent.Rotation));
renderTransform *= Matrix4.CreateTranslation(transformComponent.Position);
Renderer2D.DrawQuad(registry.GetComponent <DebugRenderer>(entity).Color, renderTransform);
}
}
}
if ((Renderer2D.DebugFlags & DebugRenderingFlags.Colliders) == DebugRenderingFlags.Colliders)
{
var entities = registry.GetEntitiesWithComponent <RigidBody2D>();
foreach (var entity in entities)
{
if (registry.TryGetComponent(entity, out TransformComponent transformComponent) &&
registry.TryGetComponent(entity, out BoxCollider boxCollider))
{
var rigidBody = registry.GetComponent <RigidBody2D>(entity);
Matrix4 renderTransform = Matrix4.Identity;
renderTransform *= Matrix4.CreateScale(boxCollider.Width / Quad.DefaultSize, boxCollider.Height / Quad.DefaultSize, 1);
renderTransform *= Matrix4.CreateFromQuaternion(Quaternion.FromEulerAngles(transformComponent.Rotation));
renderTransform *= Matrix4.CreateTranslation(transformComponent.Position.X, transformComponent.Position.Y, 10);
Renderer2D.DrawWireFrameQuad(new Vector4(0, 1, 0, 0.5f), renderTransform);
}
}
}
#endif
Renderer2D.EndScene();
}