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Rectangle mesh texture bounds can now be changed.

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This commit is contained in:
Harrison Deng 2020-07-10 21:55:12 -05:00
parent 4b1e57ac72
commit 75f691133a
1 changed files with 36 additions and 22 deletions
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58
src/SlatedGameToolkit.Framework/Graphics/Render/RectangleMesh.cs
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@ -11,6 +11,7 @@ namespace SlatedGameToolkit.Framework.Graphics.Render
private bool changed;
private Vector3 rotation;
private Vector2 origin, dimensions;
private RectangleF textureBounds;
private ValueTuple<Vector3, Vector2>[] vertices;
private uint[] indices;
@ -90,6 +91,30 @@ namespace SlatedGameToolkit.Framework.Graphics.Render
}
}
public RectangleF TextureBounds
{
get
{
return textureBounds;
}
set
{
this.vertices[0].Item2.X = value.X;
this.vertices[0].Item2.Y = value.Y;
this.vertices[1].Item2.X = value.X + value.Width;
this.vertices[1].Item2.Y = value.Y;
this.vertices[2].Item2.X = value.X + value.Width;
this.vertices[2].Item2.Y = value.Y + value.Height;
this.vertices[3].Item2.X = value.X;
this.vertices[3].Item2.Y = value.Y + value.Height;
this.textureBounds = value;
}
}
public uint[] Elements { get {return indices; } }
public Vector3 Rotation
@ -111,8 +136,8 @@ namespace SlatedGameToolkit.Framework.Graphics.Render
public Color Color { get; set; }
public RectangleMesh(RectangleF textureRegion, ITexture texture, Color color)
{
public RectangleMesh(RectangleF meshBounds, ITexture texture, Color color) {
this.changed = true;
this.rotation = Vector3.Zero;
this.origin = Vector2.Zero;
@ -121,33 +146,22 @@ namespace SlatedGameToolkit.Framework.Graphics.Render
this.Color = color;
this.indices = new uint[] {0, 1, 3, 1, 2, 3};
vertices = new ValueTuple<Vector3, Vector2>[4];
this.vertices[0].Item2.X = textureRegion.X;
this.vertices[0].Item2.Y = textureRegion.Y;
this.vertices[1].Item2.X = textureRegion.X + textureRegion.Width;
this.vertices[1].Item2.Y = textureRegion.Y;
this.vertices[2].Item2.X = textureRegion.X + textureRegion.Width;
this.vertices[2].Item2.Y = textureRegion.Y + textureRegion.Height;
this.vertices[3].Item2.X = textureRegion.X;
this.vertices[3].Item2.Y = textureRegion.Y + textureRegion.Height;
this.textureBounds = new RectangleF(0, 0, 1, 1);
this.matRot = Matrix4x4.Identity;
}
public RectangleMesh(RectangleF meshBounds, RectangleF textureRegion, ITexture texture, Color color) : this(textureRegion, texture, color) {
this.TextureBounds = textureBounds;
this.Bounds = meshBounds;
}
public RectangleMesh(ITexture texture, Color color) : this(new Rectangle(0, 0, 1, 1), texture, color) {
public RectangleMesh(ITexture texture, Color color) : this(new RectangleF(0,0,0,0), texture, color)
{
}
public RectangleMesh(RectangleF meshBounds, RectangleF textureRegion, ITexture texture, Color color) : this(meshBounds, texture, color) {
this.TextureBounds = textureRegion;
}
private void CalculateVertices() {
if (!changed) return;