Arkadodge/game.odin

package main

import rl "vendor:raylib"
import "vendor:raylib/rlgl"
import "core:fmt"

// Virtual game field dimensions
GameField := Vec2{800, 600}


Pad :: struct {
	position: Vec2, 
	size: Vec2,
}

Ball :: struct {
	position: Vec2,
	velocity: Vec2,
	radius: f32,
}

Brick :: struct {
	position: Vec2,
	size: Vec2,
	color: rl.Color,
	hits: u8,
}


Game :: struct {
	using state: GameState,
	lives: u8,
	pad: Pad,
	balls: [dynamic]Ball,
	bricks: [dynamic]Brick,
	camera: rl.Camera2D
}


game_init :: proc() -> ^GameState {
	state := new(Game)
	state.variant = state
	state.draw = game_draw
	state.update = game_update
	state.lives = 3
	state.camera = rl.Camera2D{
		zoom = 1,
		target = GameField / 2,
	}
	state.pad = Pad{
		position = Vec2{GameField.x / 2, GameField.y - 40},
		size = {80, 10},
	}
	return state
}

game_update :: proc(state: ^GameState, delta: f32) {
	game := transmute(^Game)state

	using game

	if rl.IsKeyDown(rl.KeyboardKey.LEFT) { 
		pad.position.x -= 100 * delta
		fmt.println(pad.position)
	}
	if rl.IsKeyDown(rl.KeyboardKey.RIGHT) {
		pad.position.x += 100 * delta
	}

	game.camera.offset = WINDOWF / 2

}

game_draw :: proc(state: ^GameState) {
	game := transmute(^Game)state

	using game

	rl.BeginMode2D(camera)

	rl.ClearBackground(rl.RAYWHITE)


	rl.DrawRectangleV({0, 0}, GameField, rl.RED)
	rl.DrawRectangleV(pad.position, pad.size, rl.GREEN)
	rl.EndMode2D()
}