Made a circle library

fixed a bug in the triangle code
updated the sample app

Author: DSchaedler

.smaugignore

@@ -0,0 +1,4 @@
+logs/
+builds/
+exceptions
+Smaug.toml

app/lib/circle.rb

@@ -0,0 +1,73 @@
+module Circle
+  def raster_outline(options = {})
+    x = options[:x]
+    y = options[:y]
+    radius = options[:radius]
+
+    r = options[:r]
+    g = options[:g]
+    b = options[:b]
+    a = options[:a]
+
+    pixels = []
+
+    angle = 0
+    while angle < 360
+      new_pixel = point_at_distance_angle(point: { x: x, y: y }, distance: radius, angle: angle)
+
+      new_pixel[:x] = new_pixel[:x].floor
+      new_pixel[:y] = new_pixel[:y].floor
+
+      pixels << { x: new_pixel[:x], y: new_pixel[:y], w: 1, h: 1, r: r, g: g, b: b, a: a }.solid! unless pixels.include?({ x: new_pixel[:x], y: new_pixel[:y], w: 1, h: 1, r: r, g: g, b: b, a: a }.solid!)
+      angle += 1
+    end
+
+    pixels
+  end
+
+  def raster(options = {})
+    args = $gtk.args
+
+    x = options[:x].floor
+    y = options[:y].floor
+    radius = options[:radius]
+
+    r = options[:r]
+    g = options[:g]
+    b = options[:b]
+    a = options[:a]
+
+    x_min = x - radius.floor
+    x_max = x + radius.floor
+
+    y_min = y - radius.floor
+    y_max = y + radius.floor
+
+    pixels = []
+
+    while x_min <= x_max
+      pixels[x_min] ||= []
+      y_min = y - radius
+      while y_min <= y_max
+        pixels[x_min][y_min] = { x: x_min, y: y_min, w: 1, h: 1, r: r, g: g, b: b, a: a }.solid! if args.geometry.point_inside_circle?({ x: x_min, y: y_min }, { x: x, y: y }, radius)
+        y_min += 1
+      end
+      x_min += 1
+    end
+    pixels
+  end
+
+  def point_at_distance_angle(options = {})
+    point = options[:point]
+    distance = options[:distance]
+    angle = options[:angle]
+
+    new_point = {}
+
+    new_point[:x] = (distance * Math.cos(angle * Math::PI / 180)) + point[:x]
+    new_point[:y] = (distance * Math.sin(angle * Math::PI / 180)) + point[:y]
+    new_point
+  end
+end
+
+Circle.extend Circle

app/lib/dinraal.rb

@@ -16,7 +16,7 @@ def bounding_box(options = {})
     y_min = [y, y2, y3].min
     y_max = [y, y2, y3].max
 
-    { x: x_min, y: y_min, w: x_max - x_min, h: y_max - y_min }
+    { x: x_min, y: y_min, w: x_max - x_min, h: y_max - y_min }.border!
   end
 
   def center(options = {})

app/main.rb

@@ -1,4 +1,7 @@
 require 'app/lib/dinraal.rb'
+require 'app/lib/circle.rb'
+
+$gtk.reset
 
 def tick(args)
   # Define two triangles
@@ -8,14 +11,19 @@ def tick(args)
   # Pre-Render the triangles and their center markers
   if args.state.tick_count.zero?
     args.render_target(:static).primitives << Dinraal.raster(tri1)
+
+    args.render_target(:static).primitives << Circle.raster_outline(x: 500, y: 500, radius: 20, g: 255)
+
+    args.render_target(:static).primitives << Circle.raster(x: 700, y: 500, radius: 20, b: 255)
   end
 
   # Render the triangles and their center markers
-  args.outputs.sprites << { x: 0, y: 0, w: 1280, h: 720, path: :static }
+  outputs = []
+  outputs << { x: 0, y: 0, w: 1280, h: 720, path: :static }.sprite!
 
-  args.outputs.primitives << Dinraal.outline(tri2)
-  args.outputs.primitives << Dinraal.center(tri1).merge(w: 5, h: 5, g: 255, primitive_marker: :solid)
-  args.outputs.primitives << Dinraal.center(tri2).merge(w: 5, h: 5, g: 255, primitive_marker: :solid)
+  outputs << Dinraal.outline(tri2)
+  outputs << Dinraal.center(tri1).merge(w: 5, h: 5, g: 255).solid!
+  outputs << Dinraal.center(tri2).merge(w: 5, h: 5, g: 255).solid!
 
   # Get the mouse position
   mouse_x = args.inputs.mouse.x
@@ -25,12 +33,14 @@ def tick(args)
   mouse_inside = Dinraal.inside?(point: { x: mouse_x, y: mouse_y }, tri: tri1)
 
   # Draw a label to display if the mouse inside the red triangle
-  args.outputs.labels << { x: args.grid.center_x, y: 720, text: "Mouse inside red: #{mouse_inside}", alignment_enum: 1 }
+  outputs << { x: args.grid.center_x, y: 720, text: "Mouse inside red: #{mouse_inside}", alignment_enum: 1 }.label!
 
-  args.outputs.borders << Dinraal.bounding_box(tri2)
+  outputs << Dinraal.bounding_box(tri2)
 
   two_contains_one = Dinraal.tri_inside?(inner: tri2, outer: tri1)
-  args.outputs.labels << {x: args.grid.center_x, y: 700, text: "Red contains blue: #{two_contains_one}", alignment_enum: 1}
+  outputs << { x: args.grid.center_x, y: 700, text: "Red contains blue: #{two_contains_one}", alignment_enum: 1 }.label!
+
+  args.outputs.primitives << outputs
 
   # Optional Debug Information. Uncomment to show
   # args.outputs.debug << args.gtk.framerate_diagnostics_primitives

logs/log.txt

@@ -0,0 +1,2 @@
+DragonRuby GTK Log Messages. Set $gtk.log_level = :off to disable logging to the Console/HUD (log messages will still be written here). Log options are: :on, :off.
+* INFO: Marked app/main.rb for reload. (-1)

logs/puts.txt

@@ -0,0 +1 @@
+Add trace!(SOMEOBJECT) to the top of ~tick~ and this file will be populated with invocation information.