[NEW] Tile de la aranya animat

data/stage1.lua

@@ -154,7 +154,7 @@ function stages.stage1_init()
 
     tiles_layer2.new(13,11,3,144,144,16,16)
     tiles_layer2.new(13,11,4,144,144,16,16)
-    tiles_layer2.new(11,10,2,128,208,16,16)
+    tiles_layer2.new(11,10,2,128,208,16,16, tiles_layer2.update_aranya, tiles_layer2.draw_aranya)
     
     local abad_x, abad_y = coords.room_to_world ( 10, 4, 3 )
     -- local abad_x, abad_y = coords.room_to_world ( 54, 8, 3 )

data/tiles_layer2.lua

@@ -3,9 +3,9 @@ tiles_layer2={
     tiles = {},
 }
 
-function tiles_layer2.new(_hab, _x, _y, _tx, _ty, _tw, _th)
+function tiles_layer2.new(_hab, _x, _y, _tx, _ty, _tw, _th, _anim, _draw)
     local world_x, world_y = coords.room_to_world(_hab,_x,_y)
-    print(world_x.." "..world_y)
+
     table.insert( 
         tiles_layer2.tiles,
         { hab = _hab,
@@ -17,13 +17,16 @@ function tiles_layer2.new(_hab, _x, _y, _tx, _ty, _tw, _th)
             ty = _ty,
             tw = _tw,
             th = _th,
+            off_x = 0,
+            off_y = 0,
+            draw = _draw,
+            anim = _anim,
+            anim_started = false,
         }
     )
 end
 
-function tiles_layer2.draw()
+function tiles_layer2.draw_tile( tile )
-    for i, tile in ipairs(tiles_layer2.tiles) do
-        if viewp:inside(tile.x, tile.y, tile.w, tile.h) then
     local curr_surf = surf.source() 
     if tiles_layer2.surf ~= nil then
         surf.source(tiles_layer2.surf)
@@ -33,9 +36,68 @@ function tiles_layer2.draw()
               scr_x, scr_y, tile.tw, tile.th)
     surf.source(curr_surf)
 end
+
+function tiles_layer2.draw()
+    for i, tile in ipairs(tiles_layer2.tiles) do
+        if viewp:inside(tile.x, tile.y, tile.w, tile.h) then
+            if tile.draw == nil then
+                tiles_layer2.draw_tile(tile)
+            else
+                tile.draw(tile)
+            end
+        end
     end
 end
 
 function tiles_layer2.update()
-
+    for i, tile in ipairs(tiles_layer2.tiles) do
+        if viewp:inside(tile.x, tile.y, tile.w, tile.h) then
+            if tile.anim ~= nil then
+                tile.anim(tile)
+            end
+        end
+    end
+end
+
+function tiles_layer2.draw_aranya(tile)
+    local curr_surf = surf.source() 
+    if tiles_layer2.surf ~= nil then
+        surf.source(tiles_layer2.surf)
+    end
+    local scr_x, scr_y = viewp:screen_coords( tile.x, tile.y )
+    draw.line(scr_x+11, scr_y, scr_x+11+tile.off_x, scr_y+tile.off_y, 2)
+    draw.surf(tile.tx, tile.ty, tile.tw, tile.th,
+              scr_x+tile.off_x, scr_y+tile.off_y, tile.tw, tile.th)
+    surf.source(curr_surf)
+end
+
+function tiles_layer2.update_aranya(tile)
+    if not tile.anim_started then
+        tile.wait = 6
+        tile.step = 0
+        tile.off_x= 0
+        tile.off_y= 0
+        tile.next_move = 16
+        tile.vy = 1
+        tile.anim_started = true
+    end
+    
+    tile.wait = tile.wait + 1
+    if tile.wait>=6 then
+        tile.wait = 0
+        if tile.off_y==0 or tile.off_y==8 then
+            tile.next_move = tile.next_move - 1
+            if tile.next_move<=0 then
+                tile.next_move = 16+math.random(64)
+                if tile.off_y==0 then
+                    tile.vy = 1
+                else
+                    tile.vy = -1
+                end
+                tile.off_y = tile.off_y + tile.vy
+            end
+        else
+            tile.off_y = tile.off_y + tile.vy 
+        end
+    end
 end