1 files changed, 188 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..96bb303
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,188 @@
+#include <raylib.h>
+#include <math.h>
+#include <stdbool.h>
+
+#define MAX_BULLET 100
+#define MAX_ENEMY 100
+
+typedef struct {
+  Vector2 position;
+  Vector2 velocity;
+  bool alive;
+} Bullet;
+
+typedef struct {
+  Vector2 position;
+  Vector2 movement;
+} Enemy;
+
+void updatePlayerMovement(Vector2* position, Vector2* movement, float speed, int playerWidth, int playerHeight) {
+    movement->x = 0.0f;
+    movement->y = 0.0f;
+
+    if (IsKeyDown(KEY_A))
+        movement->x -= 1.0f;
+    if (IsKeyDown(KEY_D))
+        movement->x += 1.0f;
+    if (IsKeyDown(KEY_W))
+        movement->y -= 1.0f;
+    if (IsKeyDown(KEY_S))
+        movement->y += 1.0f;
+
+    // Normalize the movement Vector
+    float magnitude = sqrt(movement->x * movement->x + movement->y * movement->y);
+    if (magnitude > 0)
+    {
+        movement->x /= magnitude;
+        movement->y /= magnitude;
+    }
+
+    //Keepl player in player area
+    if(position->x + (float)playerWidth >= GetScreenWidth())
+    {
+      position->x = GetScreenWidth()-(float)playerWidth;
+    }
+    if(position->x <= 0)
+    {
+      position->x = 0;
+    }
+    if(position->y + (float)playerWidth >= GetScreenHeight())
+    {
+      position->y = GetScreenHeight()-(float)playerHeight;
+    }
+    if(position->y <= 0)
+    {
+      position->y = 0;
+    }
+
+    // Update player position based on movement
+    float deltaTime = GetFrameTime();
+    position->x += movement->x * speed * deltaTime;
+    position->y += movement->y * speed * deltaTime;
+
+}
+
+void updateBullet(Bullet bullets[]) {
+  for(int i = 0; i < MAX_BULLET; i++)
+  {
+    bullets[i].position.x += bullets[i].velocity.x;
+    bullets[i].position.y += bullets[i].velocity.y;
+
+    int margin = 10;
+
+    if(bullets[i].position.x > GetScreenWidth() + margin)
+    {
+      bullets[i].alive = false;
+    }
+    if(bullets[i].position.x < 0 - margin)
+    {
+      bullets[i].alive = false;
+    }
+    if(bullets[i].position.y > GetScreenHeight() + margin)
+    {
+      bullets[i].alive = false;
+    }
+    if(bullets[i].position.y < 0 - margin)
+    {
+      bullets[i].alive = false;
+    }
+  }
+}
+
+void moveEnemy(Enemy *enemies, Vector2 playerPosition) {
+
+}
+
+int main(void) {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "Wizard");
+
+    Vector2 playerPosition = { (float)screenWidth / 2, (float)screenHeight / 2 };
+    Vector2 playerMovementVec = { 0.0f, 0.0f };
+    int playerHeight = 20;
+    int playerWidth = 20;
+    float playerSpeed = 200.0f;
+    int playerHP = 100;
+
+    int currentBullet = 0;
+    int bulletSpeed = 5;
+    Bullet bullets[MAX_BULLET] = {0};
+
+    int currentEnemy = 0;
+    int numEnemyAlive = 0;
+    Enemy enemies[MAX_ENEMY] = {0};
+
+    SetTargetFPS(240);
+
+    // Main game loop
+    while (!WindowShouldClose()) {    // Detect window close button or ESC key
+        updatePlayerMovement(&playerPosition, &playerMovementVec, playerSpeed, playerWidth, playerHeight);
+
+
+        Vector2 mousePosition = GetMousePosition();
+        float rotationAngle = atan2f(mousePosition.y - (playerPosition.y + (float)playerHeight/2), mousePosition.x - (playerPosition.x + (float)playerWidth/2)) * RAD2DEG;
+
+        int length = 50;
+        Vector2 endPoint = { playerPosition.x + (float)playerWidth/2 + length * cosf(rotationAngle * DEG2RAD), playerPosition.y + (float)playerHeight/2 + length * sinf(rotationAngle * DEG2RAD) };
+
+        if(IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) {
+          Vector2 direction = {mousePosition.x - (playerPosition.x + (float)playerWidth/2), mousePosition.y - (playerPosition.y + (float)playerHeight/2)};
+          float length = sqrtf(direction.x * direction.x + direction.y * direction.y);
+          if (length != 0) {
+            direction.x /= length;
+            direction.y /= length;
+          }
+
+          Vector2 bulletVelocity = {direction.x * bulletSpeed, direction.y * bulletSpeed};
+          bullets[currentBullet].position = endPoint;
+          bullets[currentBullet].velocity = bulletVelocity;
+          bullets[currentBullet].alive = true;
+          currentBullet = (currentBullet + 1) % MAX_BULLET;
+        }
+
+        updateBullet(bullets);
+
+
+        // Draw
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            //Draw background lines
+            for(int i=0; i < GetScreenWidth(); i += 50) {
+              DrawLineEx((Vector2){i, 0}, (Vector2){i, GetScreenHeight()}, 1, BLACK);
+            }
+
+            for(int i=0; i < GetScreenHeight(); i += 50) {
+              DrawLineEx((Vector2){0, i}, (Vector2){GetScreenWidth(), i}, 1, BLACK);
+            }
+
+            //Draw player and "weapon"
+            DrawLineEx((Vector2){playerPosition.x+(float)playerWidth/2, playerPosition.y+(float)playerHeight/2}, endPoint, 5, RED);
+            DrawRectangle(playerPosition.x, playerPosition.y, playerWidth, playerHeight, GREEN);
+
+            //Draw debug info
+            DrawText(TextFormat("Current FPS: %i", (int)(1.0f / GetFrameTime())), 20, 20, 10, GREEN);
+            DrawText(TextFormat("Input: (%.2f, %.2f)", playerMovementVec.x, playerMovementVec.y), 20, 30, 10, RED);
+            DrawText(TextFormat("Player Position: (%.0f, %.0f)", playerPosition.x, playerPosition.y), 20, 40, 10, RED);
+            DrawText(TextFormat("Bullet Count: %i", currentBullet), 20, 50, 10, GREEN);
+
+            DrawText(TextFormat("HP: %i", playerHP), 20, 60, 10, RED);
+
+            //Draw bullets
+            for(int i=0; i < MAX_BULLET; i++) {
+              DrawCircleV(bullets[i].position, 2, RED);
+            }
+
+        EndDrawing();
+    }
+
+    // De-Initialization
+    CloseWindow();        // Close window and OpenGL context
+    return 0;
+}
+