Working on shadows.

boxy.nimble

@@ -6,7 +6,7 @@ license     = "MIT"
 srcDir = "src"
 
 requires "nim >= 1.2.2"
-requires "shady >= 0.1.1"
+requires "shady >= 0.1.3"
 requires "pixie >= 4.3.0"
 requires "opengl >= 1.2.6"
 requires "bitty >= 0.1.4"

examples/blur.nim

@@ -30,7 +30,7 @@ window.onFrame = proc() =
   let radius = 50 * (sin(frame.float32/100) + 1)
 
   # Blurs the current pushed layer.
-  bxy.blurLayer(radius)
+  bxy.blurEffect(radius)
 
   bxy.popLayer()
 

examples/layer_tints.nim

@@ -27,10 +27,10 @@ window.onFrame = proc() =
   bxy.drawImage("greece", center = vec2(0, 0), angle = 0, color(1, 1, 1, 1))
   bxy.restoreTransform()
 
-  bxy.popLayer(tintColor = color(1, 1, 1, 0.5))
-  bxy.popLayer(tintColor = color(1, 1, 1, 0.5))
-  bxy.popLayer(tintColor = color(1, 1, 1, 0.5))
-  bxy.popLayer(tintColor = color(1, 1, 1, 0.5))
+  bxy.popLayer(tint = color(1, 1, 1, 0.5))
+  bxy.popLayer(tint = color(1, 1, 1, 0.5))
+  bxy.popLayer(tint = color(1, 1, 1, 0.5))
+  bxy.popLayer(tint = color(1, 1, 1, 0.5))
 
   # End this frame, flushing the draw commands.
   bxy.endFrame()

examples/layers.nim

@@ -36,7 +36,7 @@ window.onFrame = proc() =
   bxy.drawImage("mask", center = vec2(0, 0), angle = 0, color(1, 1, 1, 1))
   bxy.restoreTransform()
 
-  bxy.popLayer(tintColor = c2)
+  bxy.popLayer(tint = c2)
 
   # End this frame, flushing the draw commands.
   bxy.endFrame()

examples/masking.nim

@@ -33,7 +33,7 @@ window.onFrame = proc() =
     "mask",
     center = window.size.vec2 / 2,
     angle = 0,
-    tintColor = color(1, 0, 0, 1)
+    tint = color(1, 0, 0, 1)
   )
   bxy.popLayer(blendMode = MaskBlend)
 

examples/shadow.nim

@@ -0,0 +1,56 @@
+import boxy, opengl, windy
+
+let window = newWindow("Boxy Shadow", ivec2(1280, 800))
+makeContextCurrent(window)
+loadExtensions()
+
+let bxy = newBoxy()
+
+# Load the image.
+bxy.addImage("mask", readImage("examples/data/mask.png"))
+
+var frame: int
+
+# Called when it is time to draw a new frame.
+window.onFrame = proc() =
+  # Clear the screen and begin a new frame.
+  bxy.beginFrame(window.size)
+
+  # Draw the bg.
+  bxy.drawRect(rect(vec2(0, 0), window.size.vec2), color(1, 1, 1, 1))
+
+  bxy.pushLayer()
+
+  bxy.saveTransform()
+  bxy.translate(window.size.vec2/2)
+  bxy.drawImage(
+    "mask",
+    center = vec2(0, 0),
+    angle = 0,
+    tint = color(1, 1, 1, 1)
+  )
+  bxy.restoreTransform()
+
+  # Set the shadow blur amount based on time.
+  let radius = 50 * (sin(frame.float32/100) + 1)
+
+  # Shadow follows the mouse.
+  let mouse = ivec2(window.mousePos.x, window.mousePos.y).vec2
+
+  bxy.dropShadowEffect(
+    color(0, 0, 0, 1),
+    (mouse - window.size.vec2/2) / 10,
+    radius,
+    10
+  )
+
+  bxy.popLayer()
+
+  # End this frame, flushing the draw commands.
+  bxy.endFrame()
+  # Swap buffers displaying the new Boxy frame.
+  window.swapBuffers()
+  inc frame
+
+while not window.closeRequested:
+  pollEvents()