Port Arkanoid from raylib-games

.github/workflows/check.yml

@@ -88,6 +88,7 @@ jobs:
           odin check raylib/ports/textures/textures_background_scrolling.odin -file $FLAGS
           odin check raylib/ports/textures/textures_blend_modes.odin -file $FLAGS
           odin check raylib/tetroid $FLAGS
+          odin check raylib/arkanoid $FLAGS
           odin check raylib/box2d $FLAGS
           odin check raylib/ports/core/core_3d_camera_fps.odin -file $FLAGS
           odin check raylib/ports/core/core_basic_window.odin -file $FLAGS

raylib/arkanoid/arkanoid.odin

@@ -0,0 +1,254 @@
+package main
+
+// /*******************************************************************************************
+// *
+// *   raylib - classic game: arkanoid
+// *
+// *   Sample game developed by Marc Palau 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)
+// *
+// ********************************************************************************************/
+
+
+import rl "vendor:raylib"
+
+PLAYER_MAX_LIFE ::  5
+LINES_OF_BRICKS ::  5
+BRICKS_PER_LINE :: 20
+
+Player :: struct {
+	position: rl.Vector2,
+	size: rl.Vector2,
+	life: int,
+}
+
+Ball :: struct {
+	position: rl.Vector2,
+	speed: rl.Vector2,
+	radius: f32,
+	active: bool,
+}
+
+Brick :: struct {
+	position: rl.Vector2,
+	active: bool,
+}
+
+SCREEN_WIDTH  :: 800
+SCREEN_HEIGHT :: 450
+
+game_over := false
+pause     := false
+
+player: Player
+ball: Ball
+brick: [LINES_OF_BRICKS][BRICKS_PER_LINE]Brick
+brick_size: rl.Vector2
+
+main :: proc() {
+	// Initialization (Note windowTitle is unused on Android)
+	rl.InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "classic game: arkanoid")
+
+	init_game()
+
+	rl.SetTargetFPS(60)
+
+	// Main game loop
+	for !rl.WindowShouldClose() {    // Detect window close button or ESC key
+		update_draw_frame()
+	}
+
+	unload_game()    // Unload loaded data (textures, sounds, models...)
+
+	rl.CloseWindow() // Close window and OpenGL context
+
+}
+
+// Initialize game variables
+init_game :: proc() {
+	brick_size = { f32(rl.GetScreenWidth()/BRICKS_PER_LINE), 40 }
+
+	// Initialize player
+	player.position = { SCREEN_WIDTH/2, SCREEN_HEIGHT*7/8 }
+	player.size = { SCREEN_WIDTH/10, 20 }
+	player.life = PLAYER_MAX_LIFE
+
+	// Initialize ball
+	ball.position = { player.position.x, player.position.y - player.size.y/2 - ball.radius }
+	ball.speed = { 0, 0 }
+	ball.radius = 7
+	ball.active = false
+
+	// Initialize bricks
+	initialDownPosition := 50
+
+	for i in 0..<LINES_OF_BRICKS {
+		for j in 0..<BRICKS_PER_LINE {
+			brick[i][j].position = { f32(j)*brick_size.x + brick_size.x/2, f32(i)*brick_size.y + f32(initialDownPosition) }
+			brick[i][j].active = true
+		}
+	}
+}
+
+// Update game (one frame)
+update_game :: proc() {
+	if !game_over {
+		if rl.IsKeyPressed(.P) {
+			pause = !pause
+		}
+
+		if !pause {
+			// Player movement logic
+			if rl.IsKeyDown(.LEFT) { player.position.x -= 5 }
+			if (player.position.x - player.size.x/2) <= 0 { player.position.x = player.size.x/2 }
+			if rl.IsKeyDown(.RIGHT) { player.position.x += 5 }
+			if (player.position.x + player.size.x/2) >= SCREEN_WIDTH { player.position.x = SCREEN_WIDTH - player.size.x/2 }
+
+			// Ball launching logic
+			if !ball.active {
+				if rl.IsKeyPressed(.SPACE) {
+					ball.active = true
+					ball.speed = { 0, -5 }
+				}
+			}
+
+			// Ball movement logic
+			if ball.active {
+				ball.position.x += ball.speed.x
+				ball.position.y += ball.speed.y
+			} else {
+				ball.position = { player.position.x, player.position.y - player.size.y/2 - ball.radius }
+			}
+
+			// Collision logic: ball vs walls
+			if ((ball.position.x + ball.radius) >= SCREEN_WIDTH) || ((ball.position.x - ball.radius) <= 0) { ball.speed.x *= -1 }
+			if (ball.position.y - ball.radius) <= 0 { ball.speed.y *= -1 }
+			if (ball.position.y + ball.radius) >= SCREEN_HEIGHT {
+				ball.speed = { 0, 0 }
+				ball.active = false
+
+				player.life -= 1
+			}
+
+			// Collision logic: ball vs player
+			if rl.CheckCollisionCircleRec(ball.position, ball.radius,
+				(rl.Rectangle){ player.position.x - player.size.x/2, player.position.y - player.size.y/2, player.size.x, player.size.y}) {
+				if ball.speed.y > 0 {
+					ball.speed.y *= -1
+					ball.speed.x = (ball.position.x - player.position.x)/(player.size.x/2)*5
+				}
+			}
+
+			// Collision logic: ball vs bricks
+			for i in 0..<LINES_OF_BRICKS {
+				for j in 0..<BRICKS_PER_LINE {
+					if brick[i][j].active {
+						if ((ball.position.y - ball.radius) <= (brick[i][j].position.y + brick_size.y/2)) &&
+							((ball.position.y - ball.radius) > (brick[i][j].position.y + brick_size.y/2 + ball.speed.y)) &&
+							((abs(ball.position.x - brick[i][j].position.x)) < (brick_size.x/2 + ball.radius*2/3)) && (ball.speed.y < 0) {
+
+							// Hit below
+							brick[i][j].active = false
+							ball.speed.y *= -1
+						} else if ((ball.position.y + ball.radius) >= (brick[i][j].position.y - brick_size.y/2)) &&
+								((ball.position.y + ball.radius) < (brick[i][j].position.y - brick_size.y/2 + ball.speed.y)) &&
+								((abs(ball.position.x - brick[i][j].position.x)) < (brick_size.x/2 + ball.radius*2/3)) && (ball.speed.y > 0) {
+							// Hit above
+							brick[i][j].active = false
+							ball.speed.y *= -1
+						} else if ((ball.position.x + ball.radius) >= (brick[i][j].position.x - brick_size.x/2)) &&
+								((ball.position.x + ball.radius) < (brick[i][j].position.x - brick_size.x/2 + ball.speed.x)) &&
+								((abs(ball.position.y - brick[i][j].position.y)) < (brick_size.y/2 + ball.radius*2/3)) && (ball.speed.x > 0) {
+							// Hit left
+							brick[i][j].active = false
+							ball.speed.x *= -1
+						} else if ((ball.position.x - ball.radius) <= (brick[i][j].position.x + brick_size.x/2)) &&
+								((ball.position.x - ball.radius) > (brick[i][j].position.x + brick_size.x/2 + ball.speed.x)) &&
+								((abs(ball.position.y - brick[i][j].position.y)) < (brick_size.y/2 + ball.radius*2/3)) && (ball.speed.x < 0) {
+							// Hit right
+							brick[i][j].active = false
+							ball.speed.x *= -1
+						}
+					}
+				}
+			}
+
+			// Game over logic
+			if player.life <= 0 {
+				game_over = true
+			} else {
+				game_over = true
+
+				for i in 0..<LINES_OF_BRICKS {
+					for j in 0..<BRICKS_PER_LINE {
+						if brick[i][j].active {
+							game_over = false
+						}
+					}
+				}
+			}
+		}
+
+	} else {
+		if rl.IsKeyPressed(.ENTER) {
+			init_game()
+			game_over = false
+		}
+	}
+}
+
+// Draw game (one frame)
+draw_game :: proc() {
+	rl.BeginDrawing()
+
+		rl.ClearBackground(rl.RAYWHITE)
+
+		if !game_over {
+			// Draw player bar
+			rl.DrawRectangle(i32(player.position.x - player.size.x/2), i32(player.position.y - player.size.y/2), i32(player.size.x), i32(player.size.y), rl.BLACK)
+
+			// Draw player lives
+			for i in 0..<player.life {
+				rl.DrawRectangle(20 + i32(40*i), SCREEN_HEIGHT - 30, 35, 10, rl.LIGHTGRAY)
+			}
+
+			// Draw ball
+			rl.DrawCircleV(ball.position, ball.radius, rl.MAROON)
+
+			// Draw bricks
+			for i in 0..<LINES_OF_BRICKS {
+				for j in 0..<BRICKS_PER_LINE {
+					if brick[i][j].active {
+						if (i + j) % 2 == 0 {
+							rl.DrawRectangle(i32(brick[i][j].position.x - brick_size.x/2), i32(brick[i][j].position.y - brick_size.y/2), i32(brick_size.x), i32(brick_size.y), rl.GRAY)
+						} else {
+							rl.DrawRectangle(i32(brick[i][j].position.x - brick_size.x/2), i32(brick[i][j].position.y - brick_size.y/2), i32(brick_size.x), i32(brick_size.y), rl.DARKGRAY)
+						}
+					}
+				}
+			}
+
+			if pause { 
+				rl.DrawText("GAME PAUSED", SCREEN_WIDTH/2 - rl.MeasureText("GAME PAUSED", 40)/2, SCREEN_HEIGHT/2 - 40, 40, rl.RED)
+			}
+		} else {
+			rl.DrawText("PRESS [ENTER] TO PLAY AGAIN", rl.GetScreenWidth()/2 - rl.MeasureText("PRESS [ENTER] TO PLAY AGAIN", 20)/2, rl.GetScreenHeight()/2 - 50, 20, rl.GRAY)
+		}
+
+	rl.EndDrawing()
+}
+
+// Unload game variables
+unload_game :: proc() {
+	// TODO: Unload all dynamic loaded data (textures, sounds, models...)
+}
+
+// Update and Draw (one frame)
+update_draw_frame :: proc() {
+	update_game()
+	draw_game()
+}