From 5d6c97d086adda3b8659f1bf7cbe1634754aa43c Mon Sep 17 00:00:00 2001
From: Martijn de Boer <git@sexybiggetje.nl>
Date: Thu, 13 Oct 2022 19:34:18 +0200
Subject: [PATCH] particles

---
 assets.lua                |   4 ++-
 assets/ships/particle.png | Bin 0 -> 316 bytes
 scene/game.lua            |  58 ++++++++++++++++++++++++++++++--------
 3 files changed, 49 insertions(+), 13 deletions(-)
 create mode 100644 assets/ships/particle.png

diff --git a/assets.lua b/assets.lua
index b041cdd..75a23ec 100644
--- a/assets.lua
+++ b/assets.lua
@@ -7,7 +7,8 @@ multilily = lily.loadMulti({
 	{lily.newImage, "assets/captains/john-danger.png"},
 	{lily.newImage, "assets/ships/blackstar-5.png"},
 	{lily.newImage, "assets/ships/excalibur-iv.png"},
-	{lily.newImage, "assets/ships/decorator.png"}
+	{lily.newImage, "assets/ships/decorator.png"},
+	{lily.newImage, "assets/ships/particle.png"}
 })
 multilily:onComplete(function(_, lilies)
 	gameLogo = lilies[1][1]
@@ -19,6 +20,7 @@ multilily:onComplete(function(_, lilies)
 	CaptainSteve.ship.image = lilies[7][1]
 	CaptainRobert.ship.image = lilies[8][1]
 	CaptainJohn.ship.image = lilies[9][1]
+	boosterParticle = lilies[10][1]
 
 	windowWidth = love.graphics.getWidth()
 	windowHeight = love.graphics.getHeight()
diff --git a/assets/ships/particle.png b/assets/ships/particle.png
new file mode 100644
index 0000000000000000000000000000000000000000..e6003a5852682af844e1d13e7eea5511d8a8171f
GIT binary patch
literal 316
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z@;O>x!Ab7o;HV{)Y!RJAFxUr3C^We?4r+~O{y3at(#Yw_ark_9ei^62?R0xdmSq4K
zO`xWMw3CISrh#<YRu}{U0HO(Y9v7~7(bRhul|Rg7G*`t+&%{6Qq~RUdh5FzRiuLQo
zjh(~}X(@OEJ^>T(fWBRqgHd6|sc^@Wk!O_4mRN5f|7qH{s0Mx^!v|${y1nH3_QO4k
z4n3n<wuIh%gT^KUpjhddjOMEHhdF(_Zi4N*->XjB3f0w-l#}}{0Qdq)oN|4{S2QI6
O0000<MNUMnLSTY^-G^EL

literal 0
HcmV?d00001

diff --git a/scene/game.lua b/scene/game.lua
index 84153dd..de02ffc 100644
--- a/scene/game.lua
+++ b/scene/game.lua
@@ -6,15 +6,39 @@ end
 function GameScene:init()
 	GameScene:playerChanged(currentPlayer)
 	movementDelta = 0
+
+	pSystem = love.graphics.newParticleSystem(boosterParticle,128)
+	pSystem:setParticleLifetime(0,0.6)
+	pSystem:setLinearAcceleration(0,20,0,25)
+	pSystem:setSpeed(40,50)
+	pSystem:setRotation(10,20)
+	pSystem:setSpin(10,20)
+	pSystem:setRadialAcceleration(10,20)
+	pSystem:setTangentialAcceleration(10,20)
+	pSystem:setSizeVariation(0.3)
+	pSystem:setSizes(1,0.9,0.8,0.7,0.5,0.3,0.1,0.05)
+	pSystem:setColors(
+		1,1,1,1,
+		1,1,1,1,
+		1,1,1,1,
+		1,1,1,0.8,
+		1,1,1,0.6,
+		1,1,1,0.5,
+		1,1,1,0.4,
+		1,1,1,0.3
+	)
 end
 
 function GameScene:update(dt)
+	pSystem:update(dt)
 	GameScene:updateInput(dt)
 	GameScene:updateBounds(dt)
 end
 
 function GameScene:draw()
 	love.graphics.setColor(255,255,255, 1)
+	love.graphics.draw(pSystem, currentPlayer.px-2, currentPlayer.py)
+	love.graphics.draw(pSystem, currentPlayer.px+2, currentPlayer.py)
 	love.graphics.draw(
 		currentPlayer.ship.image,
 		currentPlayer.px,
@@ -58,7 +82,7 @@ function GameScene:playerChanged(to)
 	currentPlayer.py = windowHeight/2
 	currentPlayer.rot = 0
 	currentPlayer.acc = 0
-	currentPlayer.bounds = { x1= 20, y1= 20, x2= windowWidth-30, y2= windowHeight - 86}
+	currentPlayer.bounds = { x1= 20, y1= 20, x2= windowWidth-20, y2= windowHeight - 86}
 end
 
 function GameScene:updateInput(dt)
@@ -70,7 +94,6 @@ function GameScene:updateInput(dt)
 		local isLeft = false
 		local isDown = false
 		local isRight = false
-		local rotation = 0
 
 		--local hAxis, vAxis, hAxis2, vAxis2 = love.joystick.getAxes(1)
 		--local axisMargin = 0.5
@@ -81,25 +104,31 @@ function GameScene:updateInput(dt)
 		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)
 
 		if isUp and isLeft then
-			rotation = 315
+			currentPlayer.rot = 315
+			particleRot = 45
 		elseif isUp and isRight then
-			rotation = 45
+			currentPlayer.rot = 45
+			particleRot = 135
 		elseif isUp then
-			rotation = 0
+			currentPlayer.rot = 0
+			particleRot = 90
 		elseif isDown and isLeft then
-			rotation = 225
+			currentPlayer.rot = 225
+			particleRot = 315
 		elseif isDown and isRight then
-			rotation = 135
+			currentPlayer.rot = 135
+			particleRot = 225
 		elseif isDown then
-			rotation = 180
+			currentPlayer.rot = 180
+			particleRot = 270
 		elseif isLeft then
-			rotation = 270
+			currentPlayer.rot = 270
+			particleRot = 0
 		elseif isRight then
-			rotation = 90
+			currentPlayer.rot = 90
+			particleRot = 180
 		end
 
-		currentPlayer.rot = rotation
-
 		if isUp or isDown or isLeft or isRight then
 			currentPlayer.acc = currentPlayer.acc + currentPlayer.accIncr
 		elseif currentPlayer.acc > 0 then
@@ -108,6 +137,11 @@ function GameScene:updateInput(dt)
 
 		currentPlayer.acc = math.clamp(0, currentPlayer.acc, 1)
 
+		if currentPlayer.acc > 0 then
+			pSystem:setDirection(particleRot*(math.pi/180))
+			pSystem:emit( 64 * currentPlayer.acc )
+		end
+
 		if isUp then
 			currentPlayer.py = currentPlayer.py - (currentPlayer.speed*currentPlayer.acc)
 		end