From a00c0aab1eb5a7a55bef8ca08115bdd722ab5699 Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <mattkae@protonmail.com>
Date: Sun, 16 May 2021 19:50:15 -0400
Subject: Moved the frontend directory up so that it no longer exists

---
 frontend/_wasm/intro/mathlib.h | 130 -----------------------------------------
 1 file changed, 130 deletions(-)
 delete mode 100644 frontend/_wasm/intro/mathlib.h

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

diff --git a/frontend/_wasm/intro/mathlib.h b/frontend/_wasm/intro/mathlib.h
deleted file mode 100644
index 93ddbbd..0000000
--- a/frontend/_wasm/intro/mathlib.h
+++ /dev/null
@@ -1,130 +0,0 @@
-#pragma once
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
-struct Vector2 {
-    float x = 0;
-    float y = 0;
-
-    Vector2 operator+(Vector2 other) {
-        return { x + other.x, y + other.y };
-    }
-
-    Vector2 operator-(Vector2 other) {
-        return { x - other.x, y - other.y };
-    }
-
-    Vector2 operator*(float s) {
-        return { x * s, y * s };
-    }
-
-    float dot(Vector2 other) {
-        return x * other.x + y * other.y;
-    }
-
-    float length() {
-        return sqrtf(x * x + y * y);
-    }
-
-    Vector2 normalize() {
-        float len = length();
-        float inverseLength = len == 0 ? 1.0 : 1.0 / len;
-
-        return { x * inverseLength, y * inverseLength };
-    }
-
-    Vector2 negate() {
-        return { -x, -y };
-    }
-
-    Vector2 getPerp() {
-        return { -y, x };
-    }
-};
-
-struct Vector3 {
-    float x = 0.f;
-    float y = 0.f;
-    float z = 0.f;
-};
-
-struct Vector4 {
-    float x = 0.f;
-    float y = 0.f;
-    float z = 0.f;
-    float w = 0.f;
-};
-
-struct Mat4x4 {
-    float m[16] = {
-        1, 0, 0, 0,
-        0, 1, 0, 0,
-        0, 0, 1, 0,
-        0, 0, 0, 1
-    };
-
-    Mat4x4 copy() {
-        Mat4x4 result;
-        memcpy(result.m, m, sizeof(float) * 16);
-        return result;
-    }
-
-    Mat4x4 scale(Vector3 v) {
-        Mat4x4 result = copy();
-        result.m[0] = result.m[0] * v.x;
-        result.m[5] = result.m[5] *v.y;
-        result.m[10] = result.m[10] * v.z;
-        return result;
-    }
-
-    Mat4x4 translate(Vector3 v) {
-        Mat4x4 result = copy();
-        result.m[12] += v.x;
-        result.m[13] += v.y;
-        result.m[14] += v.z;
-        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);
-        result.m[1] = -sin(angle);
-        result.m[4] = sin(angle);
-        result.m[5] = cos(angle);
-        return result;
-    }
-
-    Vector2 multByVec2(Vector2 v) {
-        Vector4 vec4 = { v.x, v.y, 0.0, 1.0 };
-        return {
-            vec4.x * m[0] + vec4.y * m[4] + vec4.z * m[8] + vec4.w * m[12],
-            vec4.x * m[1] + vec4.y * m[5] + vec4.z * m[9] + vec4.w * m[13]
-        };
-    }
-
-    Mat4x4 getOrthographicMatrix(float left, float right, float bottom, float top) {
-        Mat4x4 result;
-        result.m[0] = 2.0 / (right - left);
-        result.m[5] = 2.0 / (top - bottom);
-        result.m[10] = 1.0;
-        result.m[12] = -(right + left) / (right - left);
-        result.m[13] = -(top + bottom) / (top - bottom);
-        return result;
-    }
-
-	void print() {
-		printf("[ ");
-		for (int idx = 0; idx < 16; idx++) {
-			printf("%d, ", idx);
-		}
-		printf(" ]\n");
-	}
-};
-- 
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