Committing current progress.

src/physics/aabb.c

@@ -10,7 +10,7 @@
 bool aabbPoint2D(
   float pointX, float pointY,
   float x, float y, float width, float height,
-  aabbpointhit_t *hit
+  aabbpointhit2d_t *hit
 ) {
 
   float dx, px, sx, halfWidth;
@@ -55,3 +55,46 @@ bool aabbPoint2D(
   return true;
 }
 
+bool aabbVector2D(
+  float x, float y,
+  float vx, float vy,
+  float bx, float by, float width, float height,
+  aabbvectorhit2d_t *hit
+) {
+  // float halfWidth = width / 2.0;
+  // float halfHeight = height / 2.0;
+  // float paddingX = 0;
+  // float paddingY = 0;
+
+  // float scaleX = 1.0 / vx;
+  // float scaleY = 1.0 / vy;
+  // float signX = mathSign(scaleX);
+  // float signY = mathSign(scaleY);
+
+  // float nearTimeX = (bx - signX * (halfWidth + paddingX) - bx) * scaleX;
+  // float nearTimeY = (by - signY * (halfHeight + paddingY) - by) * scaleY;
+  // float farTimeX = (bx + signX * (halfWidth + paddingX) - bx) * scaleX;
+  // float farTimeY = (by + signY * (halfHeight + paddingY) - by) * scaleY;
+
+  // if(nearTimeX > farTimeY || nearTimeY > farTimeX) return false;
+
+  // float nearTime = nearTimeX > nearTimeY ? nearTimeX : nearTimeY;
+  // float farTime = farTimeX < farTimeY ? farTimeX : farTimeY;
+  // if (nearTime >= 1 || farTime <= 0) return false;
+
+  // hit->time = mathClamp(nearTime, 0, 1);
+  // if(nearTimeX > nearTimeY) {
+  //   hit->normalX = -signX;
+  //   hit->normalY = 0;
+  // } else {
+  //   hit->normalX = 0;
+  //   hit->normalY = -signY;
+  // }
+
+  // float deltaX = (1.0 - hit->time) * -vx;
+  // float deltaY = (1.0 - hit->time) * -vy;
+  // hit->hitX = bx + deltaX * hit->time;
+  // hit->hitY = by + deltaY * hit->time;
+
+  return true;
+}

src/physics/aabb.h

@@ -13,5 +13,11 @@
 bool aabbPoint2D(
   float pointX, float pointY,
   float x, float y, float width, float height,
-  aabbpointhit_t *hit
+  aabbpointhit2d_t *hit
+);
+
+bool aabbVector2D(
+  float x, float y, float vx, float vy,
+  float bx, float by, float width, float height,
+  aabbvectorhit2d_t *vector
 );