X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgeometry%2Fgeometry.cpp;h=ebd47e9ab9cb10aebe5a7ec760ee74d368dfb460;hb=ba93deae894a7e35d95aee32c548ac4e7400c771;hp=090f78730474f38f0a1c8888cc0f724ad6988128;hpb=f5de855fbd4bf5b0df1cad950cbe9069e41369ca;p=blank.git

diff --git a/src/geometry/geometry.cpp b/src/geometry/geometry.cpp
index 090f787..ebd47e9 100644
--- a/src/geometry/geometry.cpp
+++ b/src/geometry/geometry.cpp
@@ -134,15 +134,15 @@ bool Intersection(
 		glm::vec3(b_m[0]),
 		glm::vec3(b_m[1]),
 		glm::vec3(b_m[2]),
-		cross(glm::vec3(a_m[0]), glm::vec3(b_m[0])),
-		cross(glm::vec3(a_m[0]), glm::vec3(b_m[1])),
-		cross(glm::vec3(a_m[0]), glm::vec3(b_m[2])),
-		cross(glm::vec3(a_m[1]), glm::vec3(b_m[0])),
-		cross(glm::vec3(a_m[1]), glm::vec3(b_m[1])),
-		cross(glm::vec3(a_m[1]), glm::vec3(b_m[2])),
-		cross(glm::vec3(a_m[2]), glm::vec3(b_m[0])),
-		cross(glm::vec3(a_m[2]), glm::vec3(b_m[1])),
-		cross(glm::vec3(a_m[2]), glm::vec3(b_m[2])),
+		normalize(cross(glm::vec3(a_m[0]), glm::vec3(b_m[0]))),
+		normalize(cross(glm::vec3(a_m[0]), glm::vec3(b_m[1]))),
+		normalize(cross(glm::vec3(a_m[0]), glm::vec3(b_m[2]))),
+		normalize(cross(glm::vec3(a_m[1]), glm::vec3(b_m[0]))),
+		normalize(cross(glm::vec3(a_m[1]), glm::vec3(b_m[1]))),
+		normalize(cross(glm::vec3(a_m[1]), glm::vec3(b_m[2]))),
+		normalize(cross(glm::vec3(a_m[2]), glm::vec3(b_m[0]))),
+		normalize(cross(glm::vec3(a_m[2]), glm::vec3(b_m[1]))),
+		normalize(cross(glm::vec3(a_m[2]), glm::vec3(b_m[2]))),
 	};
 
 	depth = std::numeric_limits<float>::infinity();
@@ -150,8 +150,9 @@ bool Intersection(
 
 	int cur_axis = 0;
 	for (const glm::vec3 &axis : axes) {
-		if (iszero(axis)) {
+		if (any(isnan(axis))) {
 			// can result from the cross products if A and B have parallel axes
+			++cur_axis;
 			continue;
 		}
 		float a_min = std::numeric_limits<float>::infinity();