1 files changed, 3 insertions, 4 deletions
diff --git a/physics.c b/physics.c
index c583d22..2f4d77f 100644
--- a/physics.c
+++ b/physics.c
@@ -2,6 +2,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 
+#include <vecmath.h>
 #include "dat.h"
 
 static void mink(Body *a, Body *b, float *minx, float *miny, float *maxx, float *maxy);
@@ -43,8 +44,7 @@ entphysics(float delta)
 		if(!e->active)
 			continue;
 
-		for(int j = 0; j < 2; j++)
-			e->body.pos[j] += e->body.vel[j] * delta;
+		vec2_add_scaled(e->body.pos, e->body.pos, e->body.vel, delta);
 	}
 }
 
@@ -157,8 +157,7 @@ mapcollision(Body *a)
 				float p[2];
 				resolvecoll(a, &b, p);
 
-				for(int i = 0; i < 2; i++)
-					a->pos[i] -= p[i];
+				vec2_sub(a->pos, a->pos, p);
 
 				if(p[0] != 0.0) {
 					a->vel[0] = 0;