- [NEW] Batman ja dispara batarangs

data/batarang.lua

@@ -0,0 +1,39 @@
+require "mapa"
+
+batarang = {
+    items = {},
+    cooldown = 0,
+    dx = 8,
+
+    draw = function()
+        surf.source(batman.surface)
+        for i, k in pairs(batarang.items) do
+            local flip_h, flip_v = false, false
+            if k.s==1 or k.s==2 then flip_v = true end
+            if k.s==2 or k.s==3 then flip_h = true end
+            draw.surf(123,27,5,5,k.x,k.y,5,5, flip_h, flip_v)
+        end
+    end,
+
+    update = function()
+        if batarang.cooldown > 0 then batarang.cooldown = batarang.cooldown - 1 end
+        for i, k in pairs(batarang.items) do
+            local tx, ty = ((k.x+2)//8), ((k.y+2)//8)
+            if (mapa.isSolid(tx,ty)) then
+                batarang.items[i] = nil
+            else
+                k.x = k.x + k.dx
+                k.s = k.s + 1
+                if (k.s==4) then k.s = 0 end
+            end
+        end
+    end,
+
+    new = function(x,y,flip)
+        --if batarang.cooldown == 0 then
+            table.insert(batarang.items, {x=x, y=y, s=0, dx=flip and -8 or 8})
+        --    batarang.cooldown = 5
+        --end
+    end,
+
+}

data/batman.lua

@@ -1,6 +1,8 @@
 
+require "batarang"
+
 batman = {
-    states = {IDLE=1, WALK=2, JUMP=3, FALL=4, STAIRS=5, GRAPPLING=6, PROPELLED=7},
+    states = {IDLE=1, WALK=2, JUMP=3, FALL=4, STAIRS=5, GRAPPLING=6, PROPELLED=7, SHOOT=8},
     x = 7*8,
     y = 14*8,
     surface = nil,
@@ -35,6 +37,15 @@ batman = {
         batman.frame = batman.frame + 1
         if batman.frame > #batman.frames then batman.frame = 1 end
 
+        if batman.state == batman.states.SHOOT then
+            if batman.frame == 3 then
+                batarang.new(batman.x+8, batman.y+8, batman.flip)
+            elseif batman.frame == 5 then
+                batman.state = batman.states.IDLE
+                batman.frames = {0}
+                batman.frame = 1
+            end
+        end
         -- Si està IDLE
         if batman.state == batman.states.IDLE then
             -- Mirem si comença a caminar
@@ -79,6 +90,12 @@ batman = {
                     batman.frames = {6}
                     batman.frame = 1
                 end
+            elseif key.down(key.Z) then
+                --if batarang.cooldown==0 then
+                    batman.state = batman.states.SHOOT
+                    batman.frames = {5,6,7,7,7}
+                    batman.frame = 1
+                --end
             end
             -- Mirem si ha de caure
             local tx1, tx2, ty = ((batman.x+4)//8), ((batman.x+10)//8), ((batman.y+16)//8)
@@ -119,6 +136,12 @@ batman = {
             if key.down(key.X) then
                 batman.state = batman.states.JUMP
                 batman.jump_counter = 0
+            elseif key.down(key.Z) then
+                --if batarang.cooldown==0 then
+                    batman.state = batman.states.SHOOT
+                    batman.frames = {5,6,7,7,7}
+                    batman.frame = 1
+               -- end
             end
         end
 

data/game.lua

@@ -1,5 +1,6 @@
 require "mapa"
 require "batman"
+require "batarang"
 
 game = {
     num = 1,
@@ -20,12 +21,14 @@ game = {
 
         surf.cls(66)
         mapa.draw(1)
+        batarang.draw()
         if batman.layer==1 then batman.draw() end
         mapa.draw(2)
         if batman.layer==2 then batman.draw() end
 
         if sys.beat() then
             batman.update()
+            batarang.update()
         end
 
         --view.origin(0,0)