Code: Select all
--debug = true;
--local utf8 = require("utf8")
OBJ_Player = {
x = love.graphics:getWidth()/2,
y = love.graphics:getHeight()-100,
speed = 150,
img = nil,
img_idle = nil,
img_up = nil,
img_down = nil,
img_left = nil,
img_right = nil,
isAlive = false,
health = 100
}
-- Objekt Vorlagen
Prefab_Enemy = {x = 200, y = 0, speed = 40, img = nil, health = 100, score = 10}
Prefab_Bullet = { damage = 35, speed = 500, img = nil }
Prefab_EnemyBullet = { damage = 15, speed = 300, img = nil }
Prefab_AstroidBig = { img = nil, speed = 25, health = 500, angle = 1, score = 15}
Prefab_AstroidSmall = { img = nil, speed = 72, health = 50, angle = 1, score = 5 }
-- Game Einstellungen
score = 0
alreadyPlayed = false;
playerName = "";
byteoffset = nil;
-- Timers
canShoot = true
canShootTimerMax = 0.1
canShootTimer = canShootTimerMax
canSpawn = true;
canSpawnTimerMax = 3
canSpawnTimer = canSpawnTimerMax
StarcanSpawn = true;
StarcanSpawnTimerMax = 2
StarcanSpawnTimer = StarcanSpawnTimerMax
EnemycanShoot = true
EnemycanShootTimerMax = 1.2
EnemycanShootTimer = EnemycanShootTimerMax
starBG_img = nil
SmallAstroidcanSpawn = true;
SmallAstroidcanSpawnTimerMax = 3
SmallAstroidcanSpawnTimer = SmallAstroidcanSpawnTimerMax
BigAstroidcanSpawn = true;
BigAstroidcanSpawnTimerMax = 6
BigAstroidcanSpawnTimer = BigAstroidcanSpawnTimerMax
-- Listen
bullets = {}
enemies = {}
enemybullets = {}
stars = {}
astroids_small = {}
astroids_big = {}
function love.load(arg)
OBJ_Player.img = love.graphics.newImage('plane.png')
OBJ_Player.img_idle = love.graphics.newImage('plane.png')
OBJ_Player.img_up = love.graphics.newImage('player_up.png')
OBJ_Player.img_down = love.graphics.newImage('player_down.png')
OBJ_Player.img_left = love.graphics.newImage('player_left.png')
OBJ_Player.img_right = love.graphics.newImage('player_right.png')
Prefab_AstroidBig.img = love.graphics.newImage('asteroid_big.png')
Prefab_AstroidSmall.img = love.graphics.newImage('asteroid_small.png')
Prefab_Bullet.img = love.graphics.newImage('bullet.png')
Prefab_EnemyBullet.img = love.graphics.newImage('enemybullet.png')
Prefab_Enemy.img = love.graphics.newImage('enemyShip01.png');
starBG_img = love.graphics.newImage('star.png');
end
function love.draw(dt)
if OBJ_Player.isAlive then
-- Sterne hintergrund
for i, star in ipairs(stars) do
love.graphics.draw(star.img, star.x, star.y)
end
-- Asteroiden
for i, astroid in ipairs(astroids_small) do
love.graphics.draw(astroid.img, astroid.x, astroid.y, astroid.angle,1,1, astroid.img:getWidth()/2, astroid.img:getHeight()/2)
end
for i, astroid in ipairs(astroids_big) do
love.graphics.draw(astroid.img, astroid.x, astroid.y, astroid.angle,1,1, astroid.img:getWidth()/2, astroid.img:getHeight()/2)
end
-- Spieler
love.graphics.draw(OBJ_Player.img, OBJ_Player.x, OBJ_Player.y)
love.graphics.print("Pilot: ".. playerName, 15, 15)
love.graphics.print("Score: ".. tostring(score), 15, love.graphics:getHeight()-20)
love.graphics.print("Shield: ".. tostring(OBJ_Player.health), love.graphics:getWidth()- 80, love.graphics:getHeight()-20)
-- Spieler Schüsse
for i, bullet in ipairs(bullets) do
love.graphics.draw(bullet.img, bullet.x, bullet.y)
end
-- Feindlicher Laser
for i, bullet in ipairs(enemybullets) do
love.graphics.draw(bullet.img, bullet.x, bullet.y)
end
-- Feinde
for i, enemy in ipairs(enemies) do
love.graphics.draw(enemy.img, enemy.x, enemy.y)
end
else
if alreadyPlayed then
love.graphics.print("Your Score: ".. tostring(score), love.graphics:getWidth()/2-30, love.graphics:getHeight()/2-30)
love.graphics.print("Press 'R' to restart", love.graphics:getWidth()/2-50, love.graphics:getHeight()/2-10)
love.graphics.print("www.onelostpixel.de", 15, love.graphics:getHeight()-20)
-- TODO: Interstial Anzeigen!
else
love.graphics.print("Enter your Name and Press Enter to Start:", love.graphics:getWidth()/2-50, love.graphics:getHeight()/2-10)
love.graphics.print("Name: "..playerName, love.graphics:getWidth()/2-25, love.graphics:getHeight()/2+10)
love.graphics.print("www.onelostpixel.de", 15, love.graphics:getHeight()-20)
end
end
end
function CheckPlayerAlive()
-- Ist Spieler verstorben?
if OBJ_Player.health <= 0 then
--local file = love.filesystem.newFile("highscore.lua", love.file_write)
--love.filesystem.open(file)
--love.filesystem.write(file, playerName..":"..score)
--love.filesystem.close(file)
OBJ_Player.isAlive = false;
alreadyPlayed = true;
end
end
function PlayerReset()
bullets = {}
enemies = {}
enemybullets = {}
astroids_small = {}
astroids_big = {}
-- reset timers
canShootTimer = canShootTimerMax
createEnemyTimer = createEnemyTimerMax
-- move player back to default position
OBJ_Player.x = love.graphics:getWidth()/2
OBJ_Player.y = love.graphics:getHeight()-100
OBJ_Player.health = 100
-- Random initial stars
stars = {}
for i=1, 100 do
OBJ_Star = { x = love.math.random(1, love.graphics:getWidth()-1), y = love.math.random(1, love.graphics:getHeight()-1), img = starBG_img, speed = 12 }
table.insert(stars, OBJ_Star)
end
-- reset our game state
score = 0
OBJ_Player.isAlive = true
end
function love.textinput(t)
--byteoffset = utf8.offset(playerName, -1)
playerName = playerName..t;
--byteoffset = utf8.offset(playerName, -1)
end
-- Updating
function love.update(dt)
CheckPlayerAlive()
if not OBJ_Player.isAlive and not alreadyPlayed then
--love.keyboard.setTextInput(true);
if love.keyboard.isDown("backspace") then
--playerName = string.sub(playerName, 1, byteoffset - 1)
end
if love.keyboard.isDown("kpenter") or love.keyboard.isDown("return") then
PlayerReset();
--love.keyboard.setTextInput(false);
end
end
if alreadyPlayed and not OBJ_Player.isAlive and love.keyboard.isDown('r') then
PlayerReset();
end
if love.keyboard.isDown('escape') then
love.event.push('quit')
end
if love.keyboard.isDown('left','a') then
if OBJ_Player.x > 0 then
OBJ_Player.img = OBJ_Player.img_left;
OBJ_Player.x = OBJ_Player.x - (OBJ_Player.speed*dt)
end
elseif love.keyboard.isDown('right','d') then
if OBJ_Player.x < love.graphics.getWidth()-100 then
OBJ_Player.img = OBJ_Player.img_right;
OBJ_Player.x = OBJ_Player.x + (OBJ_Player.speed*dt)
end
elseif love.keyboard.isDown('up', 'w') then
if OBJ_Player.y > love.graphics:getHeight()/2 then
OBJ_Player.img = OBJ_Player.img_up;
OBJ_Player.y = OBJ_Player.y - (OBJ_Player.speed*dt)
end
elseif love.keyboard.isDown('down', 's') then
if OBJ_Player.y < love.graphics:getHeight()-100 then
OBJ_Player.img = OBJ_Player.img_down;
OBJ_Player.y = OBJ_Player.y + (OBJ_Player.speed*dt)
end
else
OBJ_Player.img = OBJ_Player.img_idle;
end
canShootTimer = canShootTimer - (1 * dt)
if canShootTimer < 0 then
canShoot = true
end
if love.keyboard.isDown(' ', 'rctrl', 'lctrl', 'ctrl') and canShoot then
OBJ_Bullet = { x = OBJ_Player.x + (OBJ_Player.img:getWidth()/2),
y = OBJ_Player.y,
img = Prefab_Bullet.img,
damage = Prefab_Bullet.damage,
speed = Prefab_Bullet.speed
}
table.insert(bullets, OBJ_Bullet)
canShoot = false
canShootTimer = canShootTimerMax
for i, bullet in ipairs(bullets) do
love.graphics.draw(bullet.img, bullet.x, bullet.y)
end
end
for i, bullet in ipairs(bullets) do
bullet.y = bullet.y - (bullet.speed * dt)
if bullet.y < 0 then -- remove bullets when they pass off the screen
table.remove(bullets, i)
end
end
canSpawnTimer = canSpawnTimer - (1 * dt)
if canSpawnTimer < 0 then
canSpawn = true
end
if canSpawn then
OBJ_Enemy = {
x = love.math.random(50, love.graphics:getWidth()-100),
y = 0,
img = Prefab_Enemy.img,
damage = Prefab_Enemy.damage,
speed = Prefab_Enemy.speed,
health = Prefab_Enemy.health,
score = Prefab_Enemy.score
}
table.insert(enemies, OBJ_Enemy)
canSpawn = false
canSpawnTimer = canSpawnTimerMax
end
StarcanSpawnTimer = StarcanSpawnTimer - (1 * dt)
if StarcanSpawnTimer < 0 then
StarcanSpawn = true
end
if StarcanSpawn then
OBJ_Star = {
x = love.math.random(50, love.graphics:getWidth()-100),
y = 0,
img = starBG_img,
speed = 12
}
table.insert(stars, OBJ_Star)
StarcanSpawn = false
StarcanSpawnTimer = StarcanSpawnTimerMax
end
for i, star in ipairs(stars) do
star.y = star.y + (star.speed * dt)
if star.y > love.graphics:getHeight() then
table.remove(stars, i)
end
end
for i, enemy in ipairs(enemies) do
enemy.y = enemy.y + (enemy.speed * dt)
-- Kollision prüfen ob Feind getroffen wurde
for j, bullet in ipairs(bullets) do
if CheckCollision(enemy.x, enemy.y, enemy.img:getWidth(), enemy.img:getHeight(), bullet.x, bullet.y, bullet.img:getWidth(), bullet.img:getHeight()) then
enemy.health = enemy.health - bullet.damage
if enemy.health <= 0 then
score = score + enemy.score
table.remove(enemies, i)
end
table.remove(bullets, j)
end
end
EnemycanShootTimer = EnemycanShootTimer - (1 * dt)
if EnemycanShootTimer < 0 then
EnemycanShoot = true
end
if EnemycanShoot then
OBJ_EnemyBullet = {
x = enemy.x + (enemy.img:getWidth()/2),
y = enemy.y,
img = Prefab_EnemyBullet.img,
damage = Prefab_EnemyBullet.damage,
speed = Prefab_EnemyBullet.speed
}
table.insert(enemybullets, OBJ_EnemyBullet)
EnemycanShoot = false
EnemycanShootTimer = EnemycanShootTimerMax
end
if enemy.y > love.graphics:getHeight() then -- remove enemy when they pass off the screen
table.remove(enemies, i)
end
-- Kollision prüfen ob feindl. Raumschiff mit Spieler kollidiert
if CheckCollision(enemy.x, enemy.y, enemy.img:getWidth(), enemy.img:getHeight(), OBJ_Player.x, OBJ_Player.y, OBJ_Player.img:getWidth(), OBJ_Player.img:getHeight())
and OBJ_Player.isAlive then
table.remove(enemies, i)
OBJ_Player.isAlive = false;
alreadyPlayed = true;
end
end
for i, bullet in ipairs(enemybullets) do
if CheckCollision(OBJ_Player.x, OBJ_Player.y, OBJ_Player.img:getWidth(), OBJ_Player.img:getHeight(), bullet.x, bullet.y, bullet.img:getWidth(), bullet.img:getHeight()) then
OBJ_Player.health = OBJ_Player.health - bullet.damage;
table.remove(enemybullets, i)
end
bullet.y = bullet.y + (bullet.speed * dt)
if bullet.y > love.graphics:getHeight() then -- remove bullets when they pass off the screen
table.remove(enemybullets, i)
end
end
SmallAstroidcanSpawnTimer = SmallAstroidcanSpawnTimer - (1 * dt)
if SmallAstroidcanSpawnTimer < 0 then
SmallAstroidcanSpawn = true
end
if SmallAstroidcanSpawn then
OBJ_SAstroid = { x = love.math.random(50, love.graphics:getWidth()-100), y = 0, img = Prefab_AstroidSmall.img, speed = Prefab_AstroidSmall.speed, health = Prefab_AstroidSmall.health, angle = Prefab_AstroidSmall.angle, score = Prefab_AstroidSmall.score }
table.insert(astroids_small, OBJ_SAstroid)
SmallAstroidcanSpawn = false
SmallAstroidcanSpawnTimer = SmallAstroidcanSpawnTimerMax
end
for i, astroid in ipairs(astroids_small) do
astroid.y = astroid.y + (astroid.speed * dt)
astroid.angle = astroid.angle + dt * math.pi/6
astroid.angle = astroid.angle % (6*math.pi)
for j, bullet in ipairs(bullets) do
if CheckCollision(astroid.x, astroid.y, astroid.img:getWidth(), astroid.img:getHeight(), bullet.x, bullet.y, bullet.img:getWidth(), bullet.img:getHeight()) then
astroid.health = astroid.health - bullet.damage
if astroid.health <= 0 then
score = score + astroid.score
table.remove(astroids_small, i)
end
table.remove(bullets, j)
end
end
if astroid.y > love.graphics:getHeight() then
table.remove(astroids_small, i)
end
end
BigAstroidcanSpawnTimer = BigAstroidcanSpawnTimer - (1 * dt)
if BigAstroidcanSpawnTimer < 0 then
BigAstroidcanSpawn = true
end
if BigAstroidcanSpawn then
OBJ_SAstroid = { x = love.math.random(50, love.graphics:getWidth()-100), y = 0, img = Prefab_AstroidBig.img, speed = Prefab_AstroidBig.speed, health = Prefab_AstroidBig.health, angle = Prefab_AstroidBig.angle, score = Prefab_AstroidBig.score }
table.insert(astroids_big, OBJ_SAstroid)
BigAstroidcanSpawn = false
BigAstroidcanSpawnTimer = BigAstroidcanSpawnTimerMax
end
for i, astroid in ipairs(astroids_big) do
astroid.y = astroid.y + (astroid.speed * dt)
astroid.angle = astroid.angle + dt * math.pi/20
astroid.angle = astroid.angle % (20*math.pi)
for j, bullet in ipairs(bullets) do
if CheckCollision(astroid.x, astroid.y, astroid.img:getWidth(), astroid.img:getHeight(), bullet.x, bullet.y, bullet.img:getWidth(), bullet.img:getHeight()) then
astroid.health = astroid.health - bullet.damage
if astroid.health <= 0 then
score = score + astroid.score
for i=1, love.math.random(5)+1 do
if love.math.random(1) == 1 then
posx = astroid.x + love.math.random(35)
else
posx = astroid.x - love.math.random(35)
end
if love.math.random(1) == 1 then
posy = astroid.y + love.math.random(35)
else
posy = astroid.y - love.math.random(35)
end
OBJ_SAstroid = { x = posx,
y = posy,
img = Prefab_AstroidSmall.img,
speed = Prefab_AstroidSmall.speed,
health = Prefab_AstroidSmall.health,
angle = Prefab_AstroidSmall.angle,
score = Prefab_AstroidSmall.score
}
table.insert(astroids_small, OBJ_SAstroid)
end
table.remove(astroids_big, i)
end
table.remove(bullets, j)
end
end
if astroid.y > love.graphics:getHeight() then
table.remove(astroids_big, i)
end
end
end
function CheckCollision(x1,y1,w1,h1, x2,y2,w2,h2)
return x1 < x2+w2 and
x2 < x1+w1 and
y1 < y2+h2 and
y2 < y1+h1
end
)
