add simple cone shadows (blurred)

assets/shaders/blur.glsl

@@ -0,0 +1,18 @@
+extern vec2 direction; // (1.0, 0.0) для X, (0.0, 1.0) для Y
+extern number radius; // радиус размытия
+
+vec4 effect(vec4 vcolor, Image tex, vec2 texture_coords, vec2 screen_coords)
+{
+    vec4 sum = vec4(0.0);
+    float weightTotal = 0.0;
+
+    for (int i = -10; i <= 10; i++) {
+        float offset = float(i);
+        float weight = exp(-offset * offset / (2.0 * radius * radius));
+        vec2 shift = direction * offset / love_ScreenSize.xy;
+        sum += Texel(tex, texture_coords + shift) * weight;
+        weightTotal += weight;
+    }
+
+    return sum / weightTotal;
+}

lib/character/behaviors/sprite.lua

@@ -72,7 +72,7 @@ function sprite:draw()
             local mesh = makeGradientMesh(0.4, 1.5, { 0, 0, 0, 0.5 }, { 0, 0, 0, 0 })
             love.graphics.push()
             love.graphics.translate(position.x, position.y)
-            love.graphics.rotate(-3 * math.pi / 4)
+            love.graphics.rotate(love.timer.getTime())
             love.graphics.translate(-0.2, 0)
             love.graphics.draw(mesh)
             love.graphics.pop()

lib/level/render.lua

@@ -8,7 +8,7 @@ render.__index = render
 
 function render:clear()
     love.graphics.setCanvas(self.shadowLayer)
-    love.graphics.clear(1, 1, 1, 0)
+    love.graphics.clear()
     love.graphics.setCanvas(self.spriteLayer)
     love.graphics.clear()
     love.graphics.setCanvas(self.floorLayer)
@@ -17,13 +17,37 @@ function render:clear()
     love.graphics.clear()
 end
 
+local function applyBlur(input, radius)
+    local blurShader = Tree.assets.files.shaders.blur
+    local tmp = love.graphics.newCanvas(1280, 720)
+
+    -- Горизонтальный проход
+    blurShader:send("direction", { 1.0, 0.0 })
+    blurShader:send("radius", radius)
+
+    tmp:renderTo(function()
+        love.graphics.setShader(blurShader)
+        love.graphics.draw(input)
+        love.graphics.setShader()
+    end)
+
+    -- Вертикальный проход
+    love.graphics.setShader(blurShader)
+    blurShader:send("direction", { 0.0, 1.0 })
+    love.graphics.draw(tmp)
+    love.graphics.setShader()
+end
+
 function render:draw()
     -- пол -> тени -> спрайты -> оверлей
     love.graphics.draw(self.floorLayer)
-    love.graphics.setBlendMode("multiply", "premultiplied")
+
-    love.graphics.draw(self.shadowLayer)
+    applyBlur(self.shadowLayer, 10)
-    love.graphics.setBlendMode("alpha")
+    -- love.graphics.draw(self.shadowLayer)
+    love.graphics.setShader()
+
     love.graphics.draw(self.spriteLayer)
+
     love.graphics.draw(self.overlayLayer)
 end