Merge pull request #1395 from Azaezel/AssertDivNULL

credit to @MusicMonkey5555 for spotting. asserts for Div/NULLs

Engine/source/core/color.h

@@ -503,6 +503,7 @@ inline ColorI& ColorI::operator*=(const S32 in_mul)
 
 inline ColorI& ColorI::operator/=(const S32 in_mul)
 {
+   AssertFatal(in_mul != 0.0f, "Error, div by zero...");
    red   = red    / in_mul;
    green = green  / in_mul;
    blue  = blue   / in_mul;

Engine/source/math/mPoint2.h

@@ -438,6 +438,7 @@ inline Point2I Point2I::operator/(const Point2I &_vec) const
 
 inline Point2I& Point2I::operator/=(const Point2I &_vec)
 {
+   AssertFatal(_vec.x != 0 && _vec.y != 0, "Error, div by zero attempted");
    x /= _vec.x;
    y /= _vec.y;
    return *this;
@@ -645,6 +646,7 @@ inline Point2F Point2F::operator/(const Point2F &_vec) const
 
 inline Point2F& Point2F::operator/=(const Point2F &_vec)
 {
+   AssertFatal(_vec.x != 0 && _vec.y != 0, "Error, div by zero attempted");
    x /= _vec.x;
    y /= _vec.y;
    return *this;