From 02b44c07adfcf921da594120b4cd8fc18b982725 Mon Sep 17 00:00:00 2001 From: chai Date: Mon, 20 Sep 2021 00:42:33 +0800 Subject: +command buffer --- Assets/Scripts/Utils/MatrixUtility.cs | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Assets/Scripts/Utils/MatrixUtility.cs (limited to 'Assets/Scripts/Utils/MatrixUtility.cs') diff --git a/Assets/Scripts/Utils/MatrixUtility.cs b/Assets/Scripts/Utils/MatrixUtility.cs new file mode 100644 index 00000000..f3d865f2 --- /dev/null +++ b/Assets/Scripts/Utils/MatrixUtility.cs @@ -0,0 +1,42 @@ +using System.Collections; +using System.Collections.Generic; +using UnityEngine; + +public static class MatrixUtility +{ + + public static void SetTR(ref this Matrix4x4 matrix, Vector3 pos, Quaternion q) + { + matrix = q.ToMatrix(); + matrix[12] = pos[0]; + matrix[13] = pos[1]; + matrix[14] = pos[2]; + } + + public static void SetTRS2(ref this Matrix4x4 matrix, Vector3 pos, Quaternion q, Vector3 s) + { + matrix = q.ToMatrix(); + + matrix[0] *= s[0]; + matrix[1] *= s[0]; + matrix[2] *= s[0]; + matrix[4] *= s[1]; + matrix[5] *= s[1]; + matrix[6] *= s[1]; + matrix[8] *= s[2]; + matrix[9] *= s[2]; + matrix[10] *= s[2]; + matrix[12] = pos[0]; + matrix[13] = pos[1]; + matrix[14] = pos[2]; + + } + + public static Matrix4x4 RotateAndTranslate(Vector3 pos, Quaternion q) + { + Matrix4x4 m = new Matrix4x4(); + m.SetTR(pos, q); + return m; + } + +} -- cgit v1.1-26-g67d0