From ca2835943ca4327ad08b54af480e0c6333df201f Mon Sep 17 00:00:00 2001
From: talha <talha@talhaamir.xyz>
Date: Mon, 22 Apr 2024 03:38:29 +0500
Subject: Completed main levels to progress to text-rendering and 2d
 development.

- Only lessons left are geometry shaders and anti-aliasing
- will get to those later on soon
- need to do text rendering now
---
 source/math.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'source/math.h')

diff --git a/source/math.h b/source/math.h
index 77a650d..fda6bf8 100644
--- a/source/math.h
+++ b/source/math.h
@@ -6,6 +6,10 @@
 #define To_Radian(x) ((x) * PI / 180.0f)
 #define To_Degree(x) ((x) * 180.0f / PI)
 
+// @notes:
+// I dislike the mat4 discrepancy in the raw data. It's called buffer here while everywhere else it's called
+// data. It's weird and I hate it.
+
 r32 clampf(r32 x, r32 bottom, r32 top)
 {
     if (x < bottom)
@@ -391,4 +395,19 @@ Mat4 lookat4m(Vec3 up, Vec3 forward, Vec3 right, Vec3 position)
     
 	return res;
 }
+
+Mat4 to_col_major4m(Mat4 mat)
+{
+  Mat4 res = {0.0f};
+
+  res.data[0][0] = mat.data[0][0]; res.data[1][0] = mat.data[0][1]; res.data[2][0] = mat.data[0][2]; res.data[3][0] = mat.data[0][3];
+
+  res.data[0][1] = mat.data[1][0]; res.data[1][1] = mat.data[1][1]; res.data[2][1] = mat.data[1][2]; res.data[3][1] = mat.data[1][3];
+
+  res.data[0][2] = mat.data[2][0]; res.data[1][2] = mat.data[2][1]; res.data[2][2] = mat.data[2][2]; res.data[3][2] = mat.data[2][3];
+
+  res.data[0][3] = mat.data[3][0]; res.data[1][3] = mat.data[3][1]; res.data[2][3] = mat.data[3][2]; res.data[3][3] = mat.data[3][3];
+
+  return res;
+}
 #endif
-- 
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