bullets and sounds

assets.lua

@@ -11,7 +11,8 @@ multilily = lily.loadMulti({
 	{lily.newImage, "assets/ships/particle.png"},
 	{lily.newImage, "assets/particle.png"},
 	{lily.newImage, "assets/tiles/gf.png"},
-	{lily.newImage, "assets/explosion.png"}
+	{lily.newImage, "assets/explosion.png"},
+	{lily.newImage, "assets/weapons/bullet.png"}
 })
 multilily:onComplete(function(_, lilies)
 	gameLogo = lilies[1][1]
@@ -27,6 +28,7 @@ multilily:onComplete(function(_, lilies)
 	titleParticle = lilies[11][1]
 	tileGroundFull = lilies[12][1]
 	explosionParticle = lilies[13][1]
+	bulletShot = lilies[14][1]
 
 	windowWidth = love.graphics.getWidth()
 	windowHeight = love.graphics.getHeight()

main.lua

@@ -44,6 +44,8 @@ function love.load()
 	require "ship/excaliburiv"
 	require "ship/decorator"
 
+	require "bullet/bullet"
+
 	require "planet/planet"
 
 	LoadScene = LoadScene()

scene/game.lua

@@ -51,6 +51,8 @@ function GameScene:init()
 		1,1,1,0.3
 	)
 
+	GameScene.bullets = {}
+
 	GameScene.explosionObj = {angle=100, radius=100}
 	GameScene.godsrayObj = {weight=0}
 
@@ -60,12 +62,27 @@ end
 
 function GameScene:update(dt)
 
+	local bLen = table.getn(GameScene.bullets)
+	if bLen > 0 then
+		for y=1, bLen do
+			if GameScene.bullets[bLen-(y-1)].finished then
+				table.remove(GameScene.bullets, bLen-(y-1))
+			end
+		end
+	end
+
 	if currentPlayer.death == false and currentPlanet.hasGeneratedMap == true then
 		pSystem:update(dt)
 
 		GameScene:updateInput(dt)
 		GameScene:updateBounds(dt)
 
+		bLen = table.getn(GameScene.bullets)
+		if bLen > 0 then
+			for y=1, bLen do
+				GameScene.bullets[y]:update(dt)
+			end
+		end
 
 		GameScene:checkCollisions()
 	else
@@ -84,7 +101,6 @@ function GameScene:draw()
 	end
 
 	if currentPlayer.death == false then
-
 		love.graphics.setColor(1,1,1, 1)
 		love.graphics.draw(pSystem, currentPlayer.px-2, currentPlayer.py)
 		love.graphics.draw(pSystem, currentPlayer.px+2, currentPlayer.py)
@@ -97,6 +113,14 @@ function GameScene:draw()
 			currentPlayer.ship.image:getWidth()/2,
 			currentPlayer.ship.image:getHeight()/2
 		)
+
+		local bLen = table.getn(GameScene.bullets)
+		if bLen > 0 then
+			for y=1, bLen do
+				GameScene.bullets[y]:draw()
+			end
+		end
+
 	else
 		love.graphics.draw(eSystem, currentPlayer.px, currentPlayer.py)
 	end
@@ -125,6 +149,10 @@ function GameScene:drawHud()
 	end
 
 	love.graphics.print( "death: " .. deathval, 10, 24 )
+	love.graphics.print( "wpnrot: " .. currentPlayer.ship.weaponrot .. " cd: " .. currentPlayer.ship.cooldown, 70, 24 )
+
+	local bLen = table.getn(GameScene.bullets)
+	love.graphics.print( "bul: " .. bLen, 10, 38 )
 end
 
 function GameScene:keypressed(key,unicode)
@@ -157,13 +185,20 @@ function GameScene:updateInput(dt)
 		local isDown = false
 		local isRight = false
 
-		--local hAxis, vAxis, hAxis2, vAxis2 = love.joystick.getAxes(1)
-		--local axisMargin = 0.5
+		local isBUp = false
+		local isBLeft = false
+		local isBDown = false
+		local isBRight = false
 
-		isUp = love.keyboard.isDown( "w" )-- or (not (vAxis == nil) and vAxis < -(1-axisMargin)) or (not (vAxis2 == nil) and vAxis2 < -(1-axisMargin)) or love.joystick.isDown(1, 1)
-		isDown = love.keyboard.isDown( "s" )-- or (not (vAxis == nil) and vAxis > (1-axisMargin)) or (not (vAxis2 == nil) and vAxis2 > (1-axisMargin)) or love.joystick.isDown(1, 2)
-		isLeft = love.keyboard.isDown( "a" )-- or (not (hAxis == nil) and hAxis < -(1-axisMargin)) or (not (hAxis2 == nil) and hAxis2 < -(1-axisMargin)) or love.joystick.isDown(1, 3)
-		isRight = love.keyboard.isDown( "d" )-- or (not (hAxis == nil) and hAxis > (1-axisMargin)) or (not (hAxis2 == nil) and hAxis2 > (1-axisMargin)) or love.joystick.isDown(1, 4)
+		isUp = love.keyboard.isDown( "w" )
+		isDown = love.keyboard.isDown( "s" )
+		isLeft = love.keyboard.isDown( "a" )
+		isRight = love.keyboard.isDown( "d" )
+
+		isBUp = love.keyboard.isDown( "up" )
+		isBDown = love.keyboard.isDown( "down" )
+		isBLeft = love.keyboard.isDown( "left" )
+		isBRight = love.keyboard.isDown( "right" )
 
 		if isUp and isLeft then
 			currentPlayer.rot = 315
@@ -219,6 +254,38 @@ function GameScene:updateInput(dt)
 		if isRight then
 			currentPlayer.px = math.floor(currentPlayer.px + (currentPlayer.ship.speed*currentPlayer.acc))
 		end
+
+		love.audio.setPosition( currentPlayer.px, currentPlayer.py,0)
+
+		if isBUp and isBLeft then
+			currentPlayer.ship.weaponrot = 135
+		elseif isBUp and isBRight then
+			currentPlayer.ship.weaponrot = 45
+		elseif isBUp then
+			currentPlayer.ship.weaponrot = 90
+		elseif isBDown and isBLeft then
+			currentPlayer.ship.weaponrot = 225
+		elseif isBDown and isBRight then
+			currentPlayer.ship.weaponrot = 315
+		elseif isBDown then
+			currentPlayer.ship.weaponrot = 270
+		elseif isBLeft then
+			currentPlayer.ship.weaponrot = 180
+		elseif isBRight then
+			currentPlayer.ship.weaponrot = 0
+		end
+
+		if currentPlayer.ship.cooldown == 0 then
+			if isBUp or isBDown or isBLeft or isBRight then
+				currentPlayer.ship.cooldown = currentPlayer.ship.cooldownPeriod
+
+				local bullet = Bullet( currentPlayer )
+				bullet:emit( currentPlayer.px, currentPlayer.py, 0, 0, currentPlayer.ship.weaponrot, 0.5 )
+				table.insert(GameScene.bullets, bullet)
+			end
+		end
+
+		currentPlayer.ship.cooldown = math.clamp( 0, currentPlayer.ship.cooldown-dt, currentPlayer.ship.cooldownPeriod )
 	end
 end
 
@@ -273,7 +340,7 @@ function GameScene:generateExplosionSound(px,py)
 
 	local soundData = sound:generateSoundData()
 	local source = love.audio.newSource(soundData)
-	source:setVolume(2)
+	source:setVolume(1)
 	source:setPosition(px,py)
 	source:play()
 end

ship/blackstar5.lua

@@ -6,4 +6,5 @@ function Blackstar5:new()
 	self.image = nil
 	self.speed = 5
 	self.accIncr = 0.1
+	self.cooldownPeriod = 0.1
 end

ship/decorator.lua

@@ -6,4 +6,5 @@ function Decorator:new()
 	self.image = nil
 	self.speed = 6
 	self.accIncr = 0.2
+	self.cooldownPeriod = 0.3
 end

ship/excaliburiv.lua

@@ -6,4 +6,5 @@ function ExcaliburIV:new()
 	self.image = nil
 	self.speed = 4
 	self.accIncr = 0.3
+	self.cooldownPeriod = 0.2
 end

ship/ship.lua

@@ -3,4 +3,7 @@ Ship = Object.extend(Object)
 function Ship:new()
 	self.name = "";
 	self.image = nil
+	self.weaponrot = 0
+	self.cooldown = 0
+	self.cooldownPeriod = 100
 end

vendor/math.lua

@@ -3,6 +3,18 @@ function math.variance(seed, variance)
     return seed * ((math.random( 100 - (variance/2), 100 + (variance/2)))/100)
 end
 
+--Returns the x vector from {len} and {dir}
+function math.lengthdir_x( len, dir )
+    local dir = math.rad( dir )
+    return math.cos( dir ) * len
+end
+
+--Returns the y vector from {len} and {dir}
+function math.lengthdir_y( len, dir )
+    local dir = math.rad( dir )
+    return -math.sin( dir ) * len
+end
+
 -- Averages an arbitrary number of angles (in radians).
 function math.averageAngles(...)
     local x,y = 0,0