From 1a92ebe2aa06ec223ac1db9d57b9aa972177ed76 Mon Sep 17 00:00:00 2001
From: Pascal Batty <pascal@scalbatty.com>
Date: Sun, 28 Apr 2019 15:16:37 +0200
Subject: [PATCH] you can now collect the coins

---
 right_coin.lua | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/right_coin.lua b/right_coin.lua
index 3ee1837..ebf5a8e 100644
--- a/right_coin.lua
+++ b/right_coin.lua
@@ -50,7 +50,14 @@ function drawActor(self)
 	self.spr=self.ani[(((t)//3)% #self.ani)+1]
 		local flip
 		if self.isFlipped then flip = 1 else flip = 0 end
-		spr(self.spr, self.x, self.y, 1, 1, flip)
+		spr(self.spr, self.x, self.y, 0, 1, flip)
+end
+
+function hitTest(rect1, rect2)
+	return rect1.x < rect2.x + rect2.w
+   and rect1.x + rect1.w > rect2.x
+   and rect1.y < rect2.y + rect2.h
+   and rect1.y + rect1.h > rect2.y
 end
 
 colors={"blue","red","yellow"}
@@ -121,6 +128,7 @@ function addRandomCoin()
 	newCoin.y=loc.y
 	coins[#coins + 1]=newCoin
 end
+
 -- MOCK
 addRandomCoin()
 addRandomCoin()
@@ -152,6 +160,7 @@ do -- Player
 		self:resolve()
 		self.x = self.x + self.vx
 		self.y = self.y + self.vy
+		self:collectCoin()
 	end
 	
 	function Player:resolve()
@@ -198,6 +207,18 @@ do -- Player
 		return y
 	end
 	
+	function Player:collectCoin()
+		for i,v in pairs(coins) do
+			if hitTest(self, v) then
+				table.remove(coins,i)
+				if v.color == "blue" then coinBlue=coinBlue+1
+				elseif v.color == "red" then coinRed=coinRed+1
+				elseif v.color == "yellow" then coinYellow=coinYellow+1
+				end
+			end
+		end
+	end
+	
 	function Player:draw()
 		drawActor(self)
 	end