From fde99ef76be2c989b7f6462dc4086bd37969b25a Mon Sep 17 00:00:00 2001
From: Alan Youngblood <apyoungblood@gmail.com>
Date: Mon, 2 Aug 2021 17:46:06 -0400
Subject: [PATCH] added Nic's collision pseudocode

---
 design/collision-PseudoCode.txt | 27 +++++++++++++++++++++++++++
 {src => design}/debug.txt       |  0
 2 files changed, 27 insertions(+)
 create mode 100644 design/collision-PseudoCode.txt
 rename {src => design}/debug.txt (100%)

diff --git a/design/collision-PseudoCode.txt b/design/collision-PseudoCode.txt
new file mode 100644
index 0000000..b3a7954
--- /dev/null
+++ b/design/collision-PseudoCode.txt
@@ -0,0 +1,27 @@
+
+checkCollision(movingRect, moveVector, solidRect)
+{
+    // Need to make additional similar checks for each side
+    if (moveVector.x > 0)
+    {
+        if (movingRect.xMax < solidRect.xMin &&
+            movingRect.xMax + moveVector.x > solidRect.xMin)
+        {
+            xHitRatio = (solidRect.xMin - moveingRect.xMax) / moveVector.x
+        }
+    }
+    // Also find hit ratio of y movement and see which one will hit first if either does.
+    if (xHitRatio < yHitRatio)
+    {
+        yHitPosMin = movingRect.yMin + moveVector.y * xHitRatio
+        yHitPosMax = movingRect.yMax + moveVector.y * xHitRatio
+        if (yHitPosMin < solidRect.yMax &&
+            yHitPosMax > solidRect.yMin)
+        {
+            // We know here now where we should collide, however if we stop here the collision will feel 'sticky'
+            // rather than just applying the ratio to the movement vector, we want to instead slide along the collision
+            output.x = movingRect.xOrigin + moveVector.x * xHitRatio
+            output.y = movingRect.yOrigin + moveVector.y // Here is where we should split off a new movement vector to check collision again really, since it is a new direction to check, so return the hit position with a new smaller vector to 'finish' the movement.
+        }
+    }
+}
diff --git a/src/debug.txt b/design/debug.txt
similarity index 100%
rename from src/debug.txt
rename to design/debug.txt