diff --git a/Makefile b/Makefile
index 9a2ed5b..16d3f34 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 CC = gcc
-CFLAGS = -g
+CFLAGS = -pg -O2
+LDFLAGS = -pg
 LDLIBS = -lraylib -lm
-
 objects  = c3d.o
 
 c3d: $(objects)
diff --git a/c3d.c b/c3d.c
index 2baff56..44f7c67 100644
--- a/c3d.c
+++ b/c3d.c
@@ -74,17 +74,17 @@ struct Tri2DArray {
 };
 typedef struct Tri2DArray Tri2DArray;
 
-float Sign(Vector2 v1, Vector2 v2, Vector2 v3) {
-    return (v1.x - v3.x) * (v2.y - v3.y) - (v2.x - v3.x) * (v1.y - v3.y);
+float Sign(Vector2* v1, Vector2* v2, Vector2* v3) {
+    return (v1->x - v3->x) * (v2->y - v3->y) - (v2->x - v3->x) * (v1->y - v3->y);
 }
 
-bool IsInTri(Tri2D tri, Vector2 p) {
+inline bool IsInTri(Tri2D tri, Vector2 p) {
     float d1, d2, d3;
     bool has_neg, has_pos;
 
-    d1 = Sign(p, tri.a, tri.b);
-    d2 = Sign(p, tri.b, tri.c);
-    d3 = Sign(p, tri.c, tri.a);
+    d1 = Sign(&p, &tri.a, &tri.b);
+    d2 = Sign(&p, &tri.b, &tri.c);
+    d3 = Sign(&p, &tri.c, &tri.a);
 
     has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0);
     has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0);
@@ -381,6 +381,11 @@ int main() {
 
 	BeginDrawing();
 	DrawTexturePro(renderTexture.texture, (Rectangle){0,0,renderTexture.texture.width,-renderTexture.texture.height},(Rectangle){0,0,SCREENWIDTH,SCREENHEIGHT},(Vector2){0,0},0,WHITE);
+
+	char fpstext[40];
+	sprintf(fpstext,"%d",GetFPS());
+	DrawText( fpstext  ,0,0,20,WHITE);
+	
 	EndDrawing();
 	
     }