glm_aabb2d_zero, _size -> _diagonal, new _size

duarm · Feb 19, 2024 · e312f28 · e312f28
1 parent 78fb330
commit e312f28
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Showing 2 changed files with 30 additions and 3 deletions.
diff --git a/include/cglm/aabb2d.h b/include/cglm/aabb2d.h
@@ -10,9 +10,21 @@
 
 #include "common.h"
 #include "vec2.h"
-#include "vec4.h"
 #include "util.h"
 
+/*!
+ * @brief copy all members of [aabb] to [dest]
+ *
+ * @param[in]  aabb source
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_aabb2d_zero(vec2 aabb[2]) {
+  glm_vec2_zero(aabb[0]);
+  glm_vec2_zero(aabb[1]);
+}
+
 /*!
  * @brief copy all members of [aabb] to [dest]
  *
@@ -152,10 +164,21 @@ glm_aabb2d_isvalid(vec2 aabb[2]) {
  */
 CGLM_INLINE
 float
-glm_aabb2d_size(vec2 aabb[2]) {
+glm_aabb2d_diagonal(vec2 aabb[2]) {
   return glm_vec2_distance(aabb[0], aabb[1]);
 }
 
+/*!
+ * @brief distance between of min and max
+ *
+ * @param[in]  aabb bounding aabb
+ */
+CGLM_INLINE
+void
+glm_aabb2d_size(vec2 aabb[2], vec2 dest) {
+  glm_vec2_sub(aabb[1], aabb[0], dest); 
+}
+
 /*!
  * @brief radius of sphere which surrounds AABB
  *
@@ -164,7 +187,7 @@ glm_aabb2d_size(vec2 aabb[2]) {
 CGLM_INLINE
 float
 glm_aabb2d_radius(vec2 aabb[2]) {
-  return glm_aabb2d_size(aabb) * 0.5f;
+  return glm_aabb2d_diagonal(aabb) * 0.5f;
 }
 
 /*!

diff --git a/include/cglm/call/aabb2d.h b/include/cglm/call/aabb2d.h
@@ -13,6 +13,10 @@ extern "C" {
 
 #include "../cglm.h"
 
+CGLM_EXPORT
+void
+glmc_aabb2d_zero(vec2 aabb[2]);
+
 CGLM_EXPORT
 void
 glmc_aabb2d_copy(vec2 aabb[2], vec2 dest[2]);