Use Godot Math::abs

Author: aaronfranke

render/wireframe_canvas/wireframe_canvas_rendering_engine_4d.cpp

@@ -69,19 +69,18 @@ void WireframeCanvasRenderingEngine4D::render_frame() {
 			const int b_index = edge_indices[edge_index * 2 + 1];
 			const Vector4 a_vert_4d = camera_relative_vertices[a_index];
 			const Vector4 b_vert_4d = camera_relative_vertices[b_index];
-			
+			// Cull edges that are too far in the W axis.
 			if (camera_has_w_fading) {
 				real_t fade_denom = camera_w_fade_distance;
 				if (camera_has_perspective) {
 					fade_denom += camera_w_fade_slope * -0.5f * (a_vert_4d.z + b_vert_4d.z);
 				}
-				
-				if (abs((a_vert_4d.w + b_vert_4d.w) / 2.0) > fade_denom) {
-					// The edge is too far in the w axis from the camera, so we can skip this edge.
+				if (Math::abs((a_vert_4d.w + b_vert_4d.w) / 2.0f) > fade_denom) {
+					// The edge is too far in the W axis from the camera, so we can skip this edge.
 					continue;
 				}
 			}
-			
+			// Cull or clip edges that are behind the camera.
 			if (a_vert_4d.z > negative_camera_clip_depth_near) {
 				if (b_vert_4d.z > negative_camera_clip_depth_near) {
 					// Both points are behind the camera, so we skip this edge.