add projectile death particle

main.lua

@@ -31,6 +31,18 @@ Area = require 'obj/Area'
 GameObject = require 'obj/GameObject'
 
 function love.load()
+    -- table of color palette
+    COLORS = {
+        default = {1,1,1,1},
+        bg = {.05,.05,.05,1},
+        ammo = {1,1,1,1},
+        boost = {1,1,1,1},
+        hp = {.8,.1,.1,1},
+        skill_point = {1,1,1,1},
+        collision = {1,0.4,0.4,1},
+        debug = {0.4,1,0.4,1}
+    }
+
     -- screen setup
     love.graphics.setDefaultFilter("nearest")
     love.graphics.setLineStyle("rough")

obj/Room.lua

@@ -39,7 +39,7 @@ function Room:draw()
     end
     love.graphics.setCanvas()
 
-    love.graphics.setColor(255, 255, 255, 255)
+    love.graphics.setColor(COLORS.default)
     love.graphics.setBlendMode('alpha', 'premultiplied')
     love.graphics.draw(self.main_canvas, 0, 0, 0, sx, sy)
     love.graphics.setBlendMode('alpha')

obj/game/Player.lua

@@ -65,12 +65,12 @@ end
 function Player:draw()
     Player.super.draw(self)
     if DEBUG then
-        love.graphics.setColor(1, 0.4, 0.4)
+        love.graphics.setColor(COLORS.collision)
         self.collider:draw()
-        love.graphics.setColor(0.4, 1, 0.4)
+        love.graphics.setColor(COLORS.debug)
         love.graphics.line(self.x, self.y, self.x + 2*self.w*math.cos(self.r), self.y + 2*self.w*math.sin(self.r))
     end
-    love.graphics.setColor(1, 1, 1)
+    love.graphics.setColor(COLORS.default)
     love.graphics.circle('line', self.x, self.y, self.w)
 end
 

obj/game/Projectile.lua

@@ -42,11 +42,17 @@ end
 function Projectile:draw()
     Projectile.super.draw(self)
     if DEBUG then
-        love.graphics.setColor(1, 0, 0)
+        love.graphics.setColor(COLORS.collision)
         self.collider:draw()
     end
-    love.graphics.setColor(1, 1, 1)
+    love.graphics.setColor(COLORS.default)
     love.graphics.circle('fill', self.x, self.y, self.s)
 end
 
+---Kills Projectile
+function Projectile:kill()
+    self.area:addGameObject('ProjectileDeathEffect', self.x, self.y, {w = self.s*3})
+    self:destroy()
+end
+
 return Projectile

obj/game/ProjectileDeathEffect.lua

@@ -0,0 +1,33 @@
+---@class ProjectileDeathEffect:GameObject
+local ProjectileDeathEffect = GameObject:extend()
+
+function ProjectileDeathEffect:new(area, x, y, opts)
+    ProjectileDeathEffect.super.new(self, area, x, y, opts)
+    -- width
+    self.w = opts.w or 12
+    self.first = true
+    self.timer:after(0.1, function()
+        self.first = false
+        self.second = true
+        self.timer:after(0.15, function()
+            self.second = false
+            self:kill()
+        end)
+    end)
+end
+
+---Updates ProjectileDeathEffect
+---@param dt number delta time
+function ProjectileDeathEffect:update(dt)
+    ProjectileDeathEffect.super.update(self, dt)
+end
+
+---Draws ProjectileDeathEffect
+function ProjectileDeathEffect:draw()
+    ProjectileDeathEffect.super.draw(self)
+    if self.first then love.graphics.setColor(COLORS.default)
+    elseif self.second then love.graphics.setColor(COLORS.hp) end
+    love.graphics.rectangle('fill', self.x - self.w/2, self.y - self.w/2, self.w, self.w)
+end
+
+return ProjectileDeathEffect

obj/game/ShootEffect.lua

@@ -23,7 +23,7 @@ end
 function ShootEffect:draw()
     ShootEffect.super.draw(self)
     pushRotateScale(self.x, self.y, self.player.r+math.pi/4)
-    love.graphics.setColor(1,1,1)
+    love.graphics.setColor(COLORS.default)
     love.graphics.rectangle('fill', self.x - self.w/2, self.y - self.w/2, self.w, self.w)
     love.graphics.pop()
 end

rooms/CircleRoom.lua

@@ -40,7 +40,7 @@ end
 
 function CircleRoom:canvasDraw()
     CircleRoom.super.canvasDraw(self)
-    love.graphics.setColor(1, 1, 1)
+    love.graphics.setColor(COLORS.default)
 end
 
 return CircleRoom