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diff --git a/games/asteroids_survival.c b/games/asteroids_survival.c
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-/*******************************************************************************************
-*
-* raylib - sample game: asteroids survival
-*
-* Sample game developed by Ian Eito, Albert Martos and Ramon Santamaria
-*
-* This game has been created using raylib v1.3 (www.raylib.com)
-* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
-*
-* Copyright (c) 2015 Ramon Santamaria (@raysan5)
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#include <math.h>
-
-#if defined(PLATFORM_WEB)
- #include <emscripten/emscripten.h>
-#endif
-
-//----------------------------------------------------------------------------------
-// Some Defines
-//----------------------------------------------------------------------------------
-#define PLAYER_BASE_SIZE 20.0f
-#define PLAYER_SPEED 6.0f
-#define PLAYER_MAX_SHOOTS 10
-
-#define METEORS_SPEED 2
-#define MAX_MEDIUM_METEORS 8
-#define MAX_SMALL_METEORS 16
-
-//----------------------------------------------------------------------------------
-// Types and Structures Definition
-//----------------------------------------------------------------------------------
-typedef struct Player {
- Vector2 position;
- Vector2 speed;
- float acceleration;
- float rotation;
- Vector3 collider;
- Color color;
-} Player;
-
-typedef struct Meteor {
- Vector2 position;
- Vector2 speed;
- float radius;
- bool active;
- Color color;
-} Meteor;
-
-//------------------------------------------------------------------------------------
-// Global Variables Declaration
-//------------------------------------------------------------------------------------
-static const int screenWidth = 800;
-static const int screenHeight = 450;
-
-static int framesCounter = 0;
-static bool gameOver = false;
-static bool pause = false;
-
-// NOTE: Defined triangle is isosceles with common angles of 70 degrees.
-static float shipHeight = 0.0f;
-
-static Player player = { 0 };
-static Meteor mediumMeteor[MAX_MEDIUM_METEORS] = { 0 };
-static Meteor smallMeteor[MAX_SMALL_METEORS] = { 0 };
-
-//------------------------------------------------------------------------------------
-// Module Functions Declaration (local)
-//------------------------------------------------------------------------------------
-static void InitGame(void); // Initialize game
-static void UpdateGame(void); // Update game (one frame)
-static void DrawGame(void); // Draw game (one frame)
-static void UnloadGame(void); // Unload game
-static void UpdateDrawFrame(void); // Update and Draw (one frame)
-
-//------------------------------------------------------------------------------------
-// Program main entry point
-//------------------------------------------------------------------------------------
-int main(void)
-{
- // Initialization (Note windowTitle is unused on Android)
- //---------------------------------------------------------
- InitWindow(screenWidth, screenHeight, "sample game: asteroids survival");
-
- InitGame();
-
-#if defined(PLATFORM_WEB)
- emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
-#else
- SetTargetFPS(60);
- //--------------------------------------------------------------------------------------
-
- // Main game loop
- while (!WindowShouldClose()) // Detect window close button or ESC key
- {
- // Update and Draw
- //----------------------------------------------------------------------------------
- UpdateDrawFrame();
- //----------------------------------------------------------------------------------
- }
-#endif
- // De-Initialization
- //--------------------------------------------------------------------------------------
- UnloadGame(); // Unload loaded data (textures, sounds, models...)
-
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
-
- return 0;
-}
-
-//------------------------------------------------------------------------------------
-// Module Functions Definitions (local)
-//------------------------------------------------------------------------------------
-
-// Initialize game variables
-void InitGame(void)
-{
- int posx, posy;
- int velx, vely;
- bool correctRange = false;
-
- pause = false;
-
- framesCounter = 0;
-
- shipHeight = (PLAYER_BASE_SIZE/2)/tanf(20*DEG2RAD);
-
- // Initialization player
- player.position = (Vector2){screenWidth/2, screenHeight/2 - shipHeight/2};
- player.speed = (Vector2){0, 0};
- player.acceleration = 0;
- player.rotation = 0;
- player.collider = (Vector3){player.position.x + sin(player.rotation*DEG2RAD)*(shipHeight/2.5f), player.position.y - cos(player.rotation*DEG2RAD)*(shipHeight/2.5f), 12};
- player.color = LIGHTGRAY;
-
- for (int i = 0; i < MAX_MEDIUM_METEORS; i++)
- {
- posx = GetRandomValue(0, screenWidth);
-
- while(!correctRange)
- {
- if (posx > screenWidth/2 - 150 && posx < screenWidth/2 + 150) posx = GetRandomValue(0, screenWidth);
- else correctRange = true;
- }
-
- correctRange = false;
-
- posy = GetRandomValue(0, screenHeight);
-
- while(!correctRange)
- {
- if (posy > screenHeight/2 - 150 && posy < screenHeight/2 + 150) posy = GetRandomValue(0, screenHeight);
- else correctRange = true;
- }
-
- correctRange = false;
- velx = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
- vely = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
-
- while(!correctRange)
- {
- if (velx == 0 && vely == 0)
- {
- velx = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
- vely = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
- }
- else correctRange = true;
- }
- mediumMeteor[i].position = (Vector2){posx, posy};
- mediumMeteor[i].speed = (Vector2){velx, vely};
- mediumMeteor[i].radius = 20;
- mediumMeteor[i].active = true;
- mediumMeteor[i].color = GREEN;
- }
-
- for (int i = 0; i < MAX_SMALL_METEORS; i++)
- {
- posx = GetRandomValue(0, screenWidth);
-
- while(!correctRange)
- {
- if (posx > screenWidth/2 - 150 && posx < screenWidth/2 + 150) posx = GetRandomValue(0, screenWidth);
- else correctRange = true;
- }
-
- correctRange = false;
-
- posy = GetRandomValue(0, screenHeight);
-
- while(!correctRange)
- {
- if (posy > screenHeight/2 - 150 && posy < screenHeight/2 + 150) posy = GetRandomValue(0, screenHeight);
- else correctRange = true;
- }
-
- correctRange = false;
- velx = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
- vely = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
-
- while(!correctRange)
- {
- if (velx == 0 && vely == 0)
- {
- velx = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
- vely = GetRandomValue(-METEORS_SPEED, METEORS_SPEED);
- }
- else correctRange = true;
- }
- smallMeteor[i].position = (Vector2){posx, posy};
- smallMeteor[i].speed = (Vector2){velx, vely};
- smallMeteor[i].radius = 10;
- smallMeteor[i].active = true;
- smallMeteor[i].color = YELLOW;
- }
-}
-
-// Update game (one frame)
-void UpdateGame(void)
-{
- if (!gameOver)
- {
- if (IsKeyPressed('P')) pause = !pause;
-
- if (!pause)
- {
- framesCounter++;
-
- // Player logic
-
- // Rotation
- if (IsKeyDown(KEY_LEFT)) player.rotation -= 5;
- if (IsKeyDown(KEY_RIGHT)) player.rotation += 5;
-
- // Speed
- player.speed.x = sin(player.rotation*DEG2RAD)*PLAYER_SPEED;
- player.speed.y = cos(player.rotation*DEG2RAD)*PLAYER_SPEED;
-
- // Controller
- if (IsKeyDown(KEY_UP))
- {
- if (player.acceleration < 1) player.acceleration += 0.04f;
- }
- else
- {
- if (player.acceleration > 0) player.acceleration -= 0.02f;
- else if (player.acceleration < 0) player.acceleration = 0;
- }
- if (IsKeyDown(KEY_DOWN))
- {
- if (player.acceleration > 0) player.acceleration -= 0.04f;
- else if (player.acceleration < 0) player.acceleration = 0;
- }
-
- // Movement
- player.position.x += (player.speed.x*player.acceleration);
- player.position.y -= (player.speed.y*player.acceleration);
-
- // Wall behaviour for player
- if (player.position.x > screenWidth + shipHeight) player.position.x = -(shipHeight);
- else if (player.position.x < -(shipHeight)) player.position.x = screenWidth + shipHeight;
- if (player.position.y > (screenHeight + shipHeight)) player.position.y = -(shipHeight);
- else if (player.position.y < -(shipHeight)) player.position.y = screenHeight + shipHeight;
-
- // Collision Player to meteors
- player.collider = (Vector3){player.position.x + sin(player.rotation*DEG2RAD)*(shipHeight/2.5f), player.position.y - cos(player.rotation*DEG2RAD)*(shipHeight/2.5f), 12};
-
- for (int a = 0; a < MAX_MEDIUM_METEORS; a++)
- {
- if (CheckCollisionCircles((Vector2){player.collider.x, player.collider.y}, player.collider.z, mediumMeteor[a].position, mediumMeteor[a].radius) && mediumMeteor[a].active) gameOver = true;
- }
-
- for (int a = 0; a < MAX_SMALL_METEORS; a++)
- {
- if (CheckCollisionCircles((Vector2){player.collider.x, player.collider.y}, player.collider.z, smallMeteor[a].position, smallMeteor[a].radius) && smallMeteor[a].active) gameOver = true;
- }
-
- // Meteor logic
-
- for (int i = 0; i < MAX_MEDIUM_METEORS; i++)
- {
- if (mediumMeteor[i].active)
- {
- // movement
- mediumMeteor[i].position.x += mediumMeteor[i].speed.x;
- mediumMeteor[i].position.y += mediumMeteor[i].speed.y;
-
- // wall behaviour
- if (mediumMeteor[i].position.x > screenWidth + mediumMeteor[i].radius) mediumMeteor[i].position.x = -(mediumMeteor[i].radius);
- else if (mediumMeteor[i].position.x < 0 - mediumMeteor[i].radius) mediumMeteor[i].position.x = screenWidth + mediumMeteor[i].radius;
- if (mediumMeteor[i].position.y > screenHeight + mediumMeteor[i].radius) mediumMeteor[i].position.y = -(mediumMeteor[i].radius);
- else if (mediumMeteor[i].position.y < 0 - mediumMeteor[i].radius) mediumMeteor[i].position.y = screenHeight + mediumMeteor[i].radius;
- }
- }
-
- for (int i = 0; i < MAX_SMALL_METEORS; i++)
- {
- if (smallMeteor[i].active)
- {
- // movement
- smallMeteor[i].position.x += smallMeteor[i].speed.x;
- smallMeteor[i].position.y += smallMeteor[i].speed.y;
-
- // wall behaviour
- if (smallMeteor[i].position.x > screenWidth + smallMeteor[i].radius) smallMeteor[i].position.x = -(smallMeteor[i].radius);
- else if (smallMeteor[i].position.x < 0 - smallMeteor[i].radius) smallMeteor[i].position.x = screenWidth + smallMeteor[i].radius;
- if (smallMeteor[i].position.y > screenHeight + smallMeteor[i].radius) smallMeteor[i].position.y = -(smallMeteor[i].radius);
- else if (smallMeteor[i].position.y < 0 - smallMeteor[i].radius) smallMeteor[i].position.y = screenHeight + smallMeteor[i].radius;
- }
- }
- }
- }
- else
- {
- if (IsKeyPressed(KEY_ENTER))
- {
- InitGame();
- gameOver = false;
- }
- }
-}
-
-// Draw game (one frame)
-void DrawGame(void)
-{
- BeginDrawing();
-
- ClearBackground(RAYWHITE);
-
- if (!gameOver)
- {
- // Draw spaceship
- Vector2 v1 = { player.position.x + sinf(player.rotation*DEG2RAD)*(shipHeight), player.position.y - cosf(player.rotation*DEG2RAD)*(shipHeight) };
- Vector2 v2 = { player.position.x - cosf(player.rotation*DEG2RAD)*(PLAYER_BASE_SIZE/2), player.position.y - sinf(player.rotation*DEG2RAD)*(PLAYER_BASE_SIZE/2) };
- Vector2 v3 = { player.position.x + cosf(player.rotation*DEG2RAD)*(PLAYER_BASE_SIZE/2), player.position.y + sinf(player.rotation*DEG2RAD)*(PLAYER_BASE_SIZE/2) };
- DrawTriangle(v1, v2, v3, MAROON);
-
- // Draw meteor
- for (int i = 0;i < MAX_MEDIUM_METEORS; i++)
- {
- if (mediumMeteor[i].active) DrawCircleV(mediumMeteor[i].position, mediumMeteor[i].radius, GRAY);
- else DrawCircleV(mediumMeteor[i].position, mediumMeteor[i].radius, Fade(LIGHTGRAY, 0.3f));
- }
-
- for (int i = 0;i < MAX_SMALL_METEORS; i++)
- {
- if (smallMeteor[i].active) DrawCircleV(smallMeteor[i].position, smallMeteor[i].radius, DARKGRAY);
- else DrawCircleV(smallMeteor[i].position, smallMeteor[i].radius, Fade(LIGHTGRAY, 0.3f));
- }
-
- DrawText(TextFormat("TIME: %.02f", (float)framesCounter/60), 10, 10, 20, BLACK);
-
- if (pause) DrawText("GAME PAUSED", screenWidth/2 - MeasureText("GAME PAUSED", 40)/2, screenHeight/2 - 40, 40, GRAY);
- }
- else DrawText("PRESS [ENTER] TO PLAY AGAIN", GetScreenWidth()/2 - MeasureText("PRESS [ENTER] TO PLAY AGAIN", 20)/2, GetScreenHeight()/2 - 50, 20, GRAY);
-
- EndDrawing();
- //----------------------------------------------------------------------------------
-}
-
-// Unload game variables
-void UnloadGame(void)
-{
- // TODO: Unload all dynamic loaded data (textures, sounds, models...)
-}
-
-// Update and Draw (one frame)
-void UpdateDrawFrame(void)
-{
- UpdateGame();
- DrawGame();
-}
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