added range.c

oogabooga/oogabooga.c

@@ -265,6 +265,7 @@ typedef u8 bool;
 #include "hash.c"
 #include "path_utils.c"
 #include "linmath.c"
+#include "range.c"
 
 #include "hash_table.c"
 

oogabooga/range.c

@@ -0,0 +1,42 @@
+
+// randy: we might wanna remove the f by default, similar to the Vector2 ?
+// I know that we'll have a Range2i at some point, so maybe it's better to be explicit for less confusion?
+// I'll leave this decision up to u charlie just delete this whenever u see it
+
+typedef struct Range1f {
+  float min;
+  float max;
+} Range1f;
+// ...
+
+typedef struct Range2f {
+  Vector2 min;
+  Vector2 max;
+} Range2f;
+
+inline Range2f range2f_make(Vector2 min, Vector2 max) { return (Range2f) { min, max }; }
+
+Range2f range2f_shift(Range2f r, Vector2 shift) {
+  r.min = v2_add(r.min, shift);
+  r.max = v2_add(r.max, shift);
+  return r;
+}
+
+Range2f range2f_make_bottom_center(Vector2 size) {
+  Range2f range = {0};
+  range.max = size;
+  range = range2f_shift(range, v2(size.x * -0.5, 0.0));
+  return range;
+}
+
+Vector2 range2f_size(Range2f range) {
+  Vector2 size = {0};
+  size = v2_sub(range.min, range.max);
+  size.x = fabsf(size.x);
+  size.y = fabsf(size.y);
+  return size;
+}
+
+bool range2f_contains(Range2f range, Vector2 v) {
+  return v.x >= range.min.x && v.x <= range.max.x && v.y >= range.min.y && v.y <= range.max.y;
+}