add src dir

src/Vec2d/Bump.h

@@ -0,0 +1,13 @@
+//
+// Created by love on 2024-01-19.
+//
+
+#pragma once
+
+enum class BumpType {
+    WALL, PADDLE, BOTH
+};
+
+enum class PaddleDirection {
+    MOVING_UP, NOT_MOVING, MOVING_DOWN, NONE
+};

src/Vec2d/Vec2d.h

@@ -0,0 +1,69 @@
+//
+// Created by love on 2024-01-19.
+//
+
+#pragma once
+
+#include "random"
+#include "ctime"
+#include "cmath"
+
+#include "SDL_rect.h"
+#include "Bump.h"
+
+inline double_t toRadians(double_t degrees) {
+    return degrees * M_PI / 100;
+}
+
+class Vec2d {
+private:
+    std::default_random_engine random;
+    float_t hypotenuse;
+    double_t x, y;
+    const float_t bumpSpeedIncrease = 1.05;
+
+public:
+    Vec2d(float_t hypotenuse) : hypotenuse(hypotenuse) {
+        std::random_device rd;
+        random = std::default_random_engine(rd());
+        int sign = random() % 2 == 0 ? -1 : 1;
+        double_t angle = toRadians(random() % 6000 / 100 - 30);
+        x = cos(angle) * sign * hypotenuse;
+        y = sin(angle) * sign * hypotenuse;
+    }
+
+    void applyVector(Sint16 *ox, Sint16 *oy) const {
+        *ox += static_cast<int>(std::round(x));
+        *oy += static_cast<int>(std::round(y));
+    }
+
+    void bump(BumpType bumpType, PaddleDirection paddleDirection) {
+        // Make everything a bit faster so it's not boring
+        hypotenuse *= bumpSpeedIncrease;
+        x *= bumpSpeedIncrease;
+        y *= bumpSpeedIncrease;
+
+        switch (bumpType) {
+            case BumpType::BOTH:
+                x = -x;
+                y = -y;
+                break;
+            case BumpType::WALL:
+                y = -y;
+                break;
+            case BumpType::PADDLE:
+                x = -x;
+                double angle = 0;
+                if (paddleDirection != PaddleDirection::NOT_MOVING) {
+                    double_t degrees = rand() % 500 / 100 + 15;
+                    degrees *= paddleDirection == PaddleDirection::MOVING_UP ? -1 : 1;
+                    angle = toRadians(degrees);
+
+                    // Adjusting y direction based on the angle
+                    y = sin(angle) * hypotenuse;
+                }
+        }
+
+    }
+
+};