新增小游戏：cannon

2021-03-06 20:34:02 +08:00
parent 4aae83c7ad
commit c7e7198dc6
1 changed files with 125 additions and 0 deletions
--- a/parts/scenes/mg_cannon.lua
+++ b/parts/scenes/mg_cannon.lua
@@ -0,0 +1,125 @@
+local gc=love.graphics
+local int,rnd,abs,sin,cos=math.floor,math.random,math.abs,math.sin,math.cos
+
+local pow,ang
+local state,timer
+local score,combo
+local x,y
+local vx,vy
+local ex,ey
+
+local scene={}
+function scene.sceneInit()
+	pow,ang=0,0
+	state=0
+	timer=0
+	score,combo=0,0
+	x,y=160,500
+	ex,ey=626,260
+	BG.set("matrix")
+	BGM.play("way")
+end
+
+function scene.keyDown(key)
+	if key=="space"or key=="return"then
+		if state==0 then
+			state=1
+		elseif state==1 then
+			state=2
+			vx=pow*cos(ang)/2.6
+			vy=pow*sin(ang)/2.6
+		end
+	elseif key=="escape"then
+		SCN.back()
+	end
+end
+
+function scene.update()
+	timer=timer+1
+	if state==0 then
+		pow=abs(100-TIME()*200%200)
+	elseif state==1 then
+		ang=(abs(110-TIME()*120%220)-30)/180*3.141592653589793
+	else
+		x,y=x+vx,y-vy
+		vy=vy-.62
+		local e
+		if (x-ex)^2+(y-ey)^2<900 then
+			score=math.min(score+4+combo*2,626)
+			combo=combo+1
+			ex,ey=rnd(626,1100),rnd(26,700)
+			SFX.play("reach")
+			e=true
+		end
+		if x>1280 or y>720 then
+			if score>0 then
+				score=score-int(score/10)
+			end
+			SFX.play("finesseError")
+			combo=0
+			e=true
+		end
+		if e then
+			x,y=rnd(100,260),rnd(160,700)
+			state=0
+		end
+	end
+end
+
+local scoreColor={
+	"white",--0
+	"water",--20
+	"sky",--40
+	"blue",--60
+	"grape",--80
+	"pink",--100
+	"red","fire","orange","yellow","lWater",--200
+	"lSky","lBlue","lGrape","lPink","lRed",--300
+	"lFire","lOrange","lYellow","dWater","dSky",--400
+	"dBlue","dGrape","dPink","dRed","dFire",--500
+	"dYellow","lGrey","grey","dGrey",--before 600, black after
+}
+function scene.draw()
+	--Spawn area
+	gc.setColor(1,1,1,.2)
+	gc.rectangle("fill",85,0,190,720)
+
+	--Power & Angle
+	gc.setColor(1,1,1)
+	if state~=2 then
+		gc.setLineWidth(2)
+		gc.rectangle("fill",x-80,y+20,pow*1.6,16)
+		gc.rectangle("line",x-80,y+20,160,15)
+		if state==1 then
+			gc.setLineWidth(5)
+			gc.line(x,y,x+(20+2*pow)*cos(ang),y-(20+2*pow)*sin(ang))
+		end
+	end
+
+	--Info
+	setFont(40)
+	if combo>1 then
+		gc.setColor(1,1,.6)
+		gc.print("x"..combo,300,80)
+	end
+	gc.setColor(COLOR[scoreColor[int(score/20)+1]or"black"])
+	gc.print(score,300,30)
+
+	--Cannon ball
+	gc.circle("fill",x,y,15)
+
+	--Arrow
+	if y<-15 then
+		gc.print("↑",x-20.5,0)
+	end
+
+	--Target
+	gc.setColor(1,1,.4)
+	gc.circle("fill",ex,ey,15)
+end
+
+scene.widgetList={
+	WIDGET.newButton{name="back",x=1140,y=640,w=170,h=80,font=40,code=backScene},
+}
+
+return scene