From 1a08dd2bd6839f0be4b12dc5317ab0b00ca23ae1 Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <mattkae@protonmail.com>
Date: Tue, 16 Mar 2021 22:03:10 -0400
Subject: Proper update loop for a WebAssembly scene running

---
 frontend/_wasm/mathlib.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'frontend/_wasm/mathlib.h')

diff --git a/frontend/_wasm/mathlib.h b/frontend/_wasm/mathlib.h
index bc84b72..93ddbbd 100644
--- a/frontend/_wasm/mathlib.h
+++ b/frontend/_wasm/mathlib.h
@@ -86,6 +86,13 @@ struct Mat4x4 {
         return result;
     }
 
+	Mat4x4 translateByVec2(Vector2 v) {
+        Mat4x4 result = copy();
+        result.m[12] += v.x;
+        result.m[13] += v.y;
+        return result;
+    }
+
     Mat4x4 rotate2D(float angle) {
         Mat4x4 result = copy();
         result.m[0] = cos(angle);
@@ -112,4 +119,12 @@ struct Mat4x4 {
         result.m[13] = -(top + bottom) / (top - bottom);
         return result;
     }
-};
\ No newline at end of file
+
+	void print() {
+		printf("[ ");
+		for (int idx = 0; idx < 16; idx++) {
+			printf("%d, ", idx);
+		}
+		printf(" ]\n");
+	}
+};
-- 
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