public void RenderIcons(PerspectiveCamera viewPoint, GBuffer gBuffer)
{
this.Effect.World = Matrix.Identity;
this.Effect.View = Matrix.Identity;
this.Effect.Projection = Matrix.Identity;
this.Effect.DepthMap = gBuffer.DepthTarget;
this.Device.PostProcessState();
foreach ((var entity, var component, var info, var property, var attribute) in this.EnumerateAttributes <IconAttribute>())
{
var position = (Vector3)property.GetGetMethod().Invoke(component, null);
if (viewPoint.Frustum.Contains(position) != ContainmentType.Disjoint)
{
var screenPosition = ProjectionMath.WorldToView(position, viewPoint.ViewProjection);
this.Effect.World = Matrix.CreateScale(new Vector3(Scale / viewPoint.AspectRatio, Scale, Scale)) * Matrix.CreateTranslation(new Vector3(screenPosition, 0));
this.Effect.Texture = this.Library.GetIcon(attribute.Type);
this.Effect.WorldPosition = position;
this.Effect.CameraPosition = viewPoint.Position;
this.Effect.InverseViewProjection = viewPoint.InverseViewProjection;
this.Effect.VisibleTint = info.VisibileIconTint;
this.Effect.ClippedTint = info.ClippedIconTint;
this.Effect.Apply(TextureEffectTechniques.TexturePointDepthTest);
this.Quad.Render();
}
}
}
public void RenderIcons(PerspectiveCamera viewPoint, GBuffer gBuffer)
{
this.Effect.World = Matrix.Identity;
this.Effect.View = Matrix.Identity;
this.Effect.Projection = Matrix.Identity;
this.Effect.DepthMap = gBuffer.DepthTarget;
this.Device.PostProcessState();
for (var i = 0; i < this.Components.Count; i++)
{
var component = this.Components[i];
var pose = this.Poses.Get(component.Entity);
var position = pose.Position;
if (viewPoint.Frustum.Contains(position) != ContainmentType.Disjoint)
{
var screenPosition = ProjectionMath.WorldToView(position, viewPoint.ViewProjection);
this.Effect.World = Matrix.CreateScale(new Vector3(IconScale / viewPoint.AspectRatio, IconScale, IconScale)) * Matrix.CreateTranslation(new Vector3(screenPosition, 0));
this.Effect.Texture = this.Library.GetIcon(component.Icon);
this.Effect.WorldPosition = position;
this.Effect.CameraPosition = viewPoint.Position;
this.Effect.InverseViewProjection = viewPoint.InverseViewProjection;
this.Effect.VisibleTint = component.BoundaryVisibleTint;
this.Effect.ClippedTint = component.BoundaryClippedTint;
this.Effect.Apply(TextureEffectTechniques.TexturePointDepthTest);
this.Quad.Render();
}
}
}
public static BoundingRectangle CreateFromProjectedBoundingBox(BoundingBox box, IViewPoint viewPoint)
{
var minX = float.MaxValue;
var maxX = float.MinValue;
var minY = float.MaxValue;
var maxY = float.MinValue;
var corners = box.GetCorners();
for (var i = 0; i < corners.Length; i++)
{
var corner = corners[i];
var projectedCorner = ProjectionMath.WorldToView(corner, viewPoint.View * viewPoint.Projection);
minX = Math.Min(minX, projectedCorner.X);
maxX = Math.Max(maxX, projectedCorner.X);
minY = Math.Min(minY, projectedCorner.Y);
maxY = Math.Max(maxY, projectedCorner.Y);
}
return(new BoundingRectangle(minX, maxX, minY, maxY));
}