[WIP] Treballant en el jefe. Barra d'energia

data/bar_meter.lua

@@ -0,0 +1,61 @@
+bar_meter={}
+
+function bar_meter.new(scr_x, scr_y, width, height, _value, _max_value, _actor)
+    return {
+        x = scr_x,
+        y = scr_y,
+        w = width,
+        h = height,
+        value = _value,
+        max_value = _max_value,
+        draw=bar_meter.draw,
+        actor=_actor,
+    }
+end
+
+function bar_meter:draw()
+    if self.actor~=nil and not empty_table(self.actor) then
+        self.value=self.actor.energia
+        self.max_value=self.actor.max_energia
+    end
+    -- local x = 0
+    -- local y = 2
+    -- local w = 6
+    -- local h = 7
+    local x = self.x
+    local y = self.y
+    local w = self.w
+    local h = self.h
+    -- borde blau
+    draw.hline(x+1, y,   x+w-1, 15) 
+    draw.hline(x+1, y+h, x+w-1, 15)
+    
+    draw.vline(x  , y+1, y+h-1, 15) 
+    draw.vline(x+w, y+1, y+h-1, 15) 
+
+    draw.rectf(x+1, y+1, w-1, h-1, 16 ); -- fons negre
+    
+    if self.value>self.max_value/2 then
+        -- 50%
+        color = 10; -- verd
+    elseif self.value>self.max_value/3 then
+        -- 33%
+        color = 8; -- groc
+    else
+        color = 3; -- roig
+    end
+    
+    local segment_w  = math.floor((w-2)/self.max_value)
+    local full_width = w-2
+    local curr_width = math.floor((w-2)*(self.value/self.max_value))
+    if self.value>0 then
+    --    -- fons negre
+    --    draw.rectf( x+2, y+2, w-4, h-4,  2 );
+        -- barra de vida
+        draw.rectf( x+2, y+2, curr_width-1, h-3,  color );
+        -- segments
+        for n_segment=1,self.max_value-1 do
+            draw.vline( x+2+segment_w*n_segment, y+2, y+h-2, 16)
+        end
+    end
+end