implement a parser for a model(6). get rid of the libobj dependency.

1 files changed, 12 insertions, 1 deletions

diff --git a/util.c b/util.c
index 3ff7323..ff76ab9 100644
--- a/util.c
+++ b/util.c
@@ -4,7 +4,6 @@
 #include <draw.h>
 #include <memdraw.h>
 #include <geometry.h>
-#include "libobj/obj.h"
 #include "graphics.h"
 #include "internal.h"
 
@@ -52,6 +51,12 @@ maxpt2(Point2 a, Point2 b)
 	};
 }
 
+int
+eqpt2(Point2 a, Point2 b)
+{
+	return vec2len(subpt2(a, b)) < ε2;
+}
+
 Point3
 modulapt3(Point3 a, Point3 b)
 {
@@ -80,6 +85,12 @@ maxpt3(Point3 a, Point3 b)
 	};
 }
 
+int
+eqpt3(Point3 a, Point3 b)
+{
+	return vec3len(subpt3(a, b)) < ε2;
+}
+
 void
 memsetf(void *dp, float v, usize len)
 {