From 89651c4a76cc79a9a1dd97086112be146173c83e Mon Sep 17 00:00:00 2001
From: Brian Fiete <bfiete@gmail.com>
Date: Tue, 14 Jan 2025 10:14:56 -0800
Subject: [PATCH] Beefy2D enhancements

---
 BeefLibs/Beefy2D/src/Utils.bf        | 15 +++++++++--
 BeefLibs/Beefy2D/src/geom/Vector2.bf | 10 ++++++++
 BeefLibs/Beefy2D/src/gfx/Graphics.bf | 38 ++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 2 deletions(-)

diff --git a/BeefLibs/Beefy2D/src/Utils.bf b/BeefLibs/Beefy2D/src/Utils.bf
index 8fd91952..4645bcb0 100644
--- a/BeefLibs/Beefy2D/src/Utils.bf
+++ b/BeefLibs/Beefy2D/src/Utils.bf
@@ -6,6 +6,7 @@ using System.Threading;
 using System.IO;
 using System.Diagnostics;
 using System.Security.Cryptography;
+using Beefy.gfx;
 
 namespace Beefy
 {
@@ -21,8 +22,6 @@ namespace Beefy
 
         public static float Deg2Rad = Math.PI_f / 180.0f;
 
-        
-
         public static int32 Rand()
         {
             return mRandom.NextI32();
@@ -33,6 +32,12 @@ namespace Beefy
 			return (Rand() & 0xFFFFFF) / (float)0xFFFFFF;
 		}
 
+		public static float RandFloatS()
+		{
+#unwarn
+			return ((Rand() & 0x1FFFFFF) / (float)0xFFFFFF) - 1.0f;
+		}
+
 		public static float Interpolate(float left, float right, float pct)
 		{
 			return left + (right - left) * pct;
@@ -472,5 +477,11 @@ namespace Beefy
 		{
 			val = (float)Math.Round(val * scale);
 		}
+
+		public static Image GetAnimFrame(Image[] images, float pct)
+		{
+			int frameNum = (int)(images.Count * (pct - 0.000001f));
+			return images[frameNum];
+		}
     }        
 }
diff --git a/BeefLibs/Beefy2D/src/geom/Vector2.bf b/BeefLibs/Beefy2D/src/geom/Vector2.bf
index 7db097fc..e6ee5c45 100644
--- a/BeefLibs/Beefy2D/src/geom/Vector2.bf
+++ b/BeefLibs/Beefy2D/src/geom/Vector2.bf
@@ -46,6 +46,11 @@ namespace Beefy.geom
 
 		public Vector2 Normalized => Vector2(mX, mY)..Normalize();
 
+		public bool IsLengthLess(float check)
+		{
+			return mX * mX + mY * mY < check * check;
+		}
+
 		public static Vector2 Normalize(Vector2 vector)
 		{
 			Vector2 newVec;
@@ -123,5 +128,10 @@ namespace Beefy.geom
 		{
 		    return Vector2(vec1.mX / factor, vec1.mY / factor);
 		}
+
+		public override void ToString(String strBuffer)
+		{
+			strBuffer.AppendF("{0:0.0#}, {1:0.0#}", mX, mY);
+		}
     }
 }
diff --git a/BeefLibs/Beefy2D/src/gfx/Graphics.bf b/BeefLibs/Beefy2D/src/gfx/Graphics.bf
index 7a9b01b8..00d33739 100644
--- a/BeefLibs/Beefy2D/src/gfx/Graphics.bf
+++ b/BeefLibs/Beefy2D/src/gfx/Graphics.bf
@@ -547,6 +547,11 @@ namespace Beefy.gfx
                 (int)mPixelSnapping, mSmoothing ? 1 : 0, mAdditive ? 1 : 0, (int)g.mColor);*/
         }
 
+		public void DrawCentered(Image image, float x = 0, float y = 0)
+		{
+		    Draw(image, x - image.mWidth / 2, y - image.mHeight / 2);
+		}
+
 		public void Draw(IDrawable drawable, Vector2 vec) => Draw(drawable, vec.mX, vec.mY);
 
         public void DrawButton(Image image, float x, float y, float width)
@@ -948,6 +953,39 @@ namespace Beefy.gfx
             Gfx_SetDrawVertex(5, m.tx + (m.a + m.c), m.ty + (m.b + m.d), 0, 0, 0, Color.Mult(mColor, colorBotRight));
         }
 
+		public void FillRectGradientEx(float x, float y, float width, float height,
+		    Color colorTopLeft, Color colorTopRight, Color colorBotLeft, Color colorBotRight)
+		{
+		    Matrix m = Matrix.IdentityMatrix;
+		    m.SetMultiplied(x, y, width, height, ref mMatrix);
+
+			int32 r = ((int32)colorTopLeft.R + colorTopRight.R + colorBotLeft.R + colorBotRight.R) / 4;
+			int32 g = ((int32)colorTopLeft.G + colorTopRight.G + colorBotLeft.G + colorBotRight.G) / 4;
+			int32 b = ((int32)colorTopLeft.B + colorTopRight.B + colorBotLeft.B + colorBotRight.B) / 4;
+			int32 a = ((int32)colorTopLeft.A + colorTopRight.A + colorBotLeft.A + colorBotRight.A) / 4;
+			Color centerColor = .(r, g, b, a);
+
+		    //TODO: Multiply color
+
+		    Gfx_AllocTris(mWhiteDot.mNativeTextureSegment, 12);
+		    
+		    Gfx_SetDrawVertex(0, m.tx, m.ty, 0, 0, 0, Color.Mult(mColor, colorTopLeft));
+		    Gfx_SetDrawVertex(1, m.tx + m.a, m.ty + m.b, 0, 0, 0, Color.Mult(mColor, colorTopRight));
+			Gfx_SetDrawVertex(2, m.tx + (m.a + m.c) * 0.5f, m.ty + (m.b + m.d) * 0.5f, 0, 0, 0, Color.Mult(mColor, centerColor));
+
+			Gfx_CopyDrawVertex(3, 1); // Top Right
+			Gfx_SetDrawVertex(4, m.tx + (m.a + m.c), m.ty + (m.b + m.d), 0, 0, 0, Color.Mult(mColor, colorBotRight));
+			Gfx_CopyDrawVertex(5, 2); // Center
+
+			Gfx_CopyDrawVertex(6, 2); // Center
+			Gfx_CopyDrawVertex(7, 4); // Bottom Right
+		    Gfx_SetDrawVertex(8, m.tx + m.c, m.ty + m.d, 0, 0, 0, Color.Mult(mColor, colorBotLeft));
+
+		    Gfx_CopyDrawVertex(9, 8); // Bottom Left
+		    Gfx_CopyDrawVertex(10, 0); // Top Left
+		    Gfx_CopyDrawVertex(11, 2); // Center
+		}
+
 		void DoDrawLine(float x0, float y0, float x1, float y1, float width)
 		{
 			Image img = GetBorderedWhiteSquare(Math.Max((int)width, 1));