Bump version

lib/cyberarm_engine/common.rb

@@ -48,6 +48,12 @@ module CyberarmEngine
       end
     end
 
+    def opacity(color, ratio = 1.0)
+      alpha = 255 * ratio
+
+      return Gosu::Color.rgba(color.red, color.green, color.blue, alpha)
+    end
+
     def get_asset(path, hash, klass)
       asset = nil
       hash.detect do |_asset, instance|

lib/cyberarm_engine/engine.rb

@@ -15,10 +15,10 @@ module CyberarmEngine
       $window.last_frame_time/1000.0
     end
 
-    def initialize(width = 800, height = 600, fullscreen = false, update_interval = 1000.0/60)
+    def initialize(width: 800, height: 600, fullscreen: false, update_interval: 1000.0/60, resizable: false)
       @show_cursor = false
 
-      super(width, height, fullscreen, update_interval)
+      super(width, height, fullscreen: fullscreen, update_interval: update_interval, resizable: resizable)
       $window = self
       @last_frame_time = Gosu.milliseconds-1
       @current_frame_time = Gosu.milliseconds

lib/cyberarm_engine/lib/bounding_box.rb

@@ -2,9 +2,23 @@ module CyberarmEngine
   class BoundingBox
     attr_accessor :min, :max
 
-    def initialize(minx = 0, miny = 0, minz = 0, maxx = 0, maxy = 0, maxz = 0)
-      @min = Vector.new(minx, miny, minz)
-      @max = Vector.new(maxx, maxy, maxz)
+    def initialize(*args)
+      case args.size
+      when 0
+        @min = Vector.new(0, 0, 0)
+        @max = Vector.new(0, 0, 0)
+      when 2
+        @min = args.first.clone
+        @max = args.last.clone
+      when 4
+        @min = Vector.new(args[0], args[1], 0)
+        @max = Vector.new(args[2], args[3], 0)
+      when 6
+        @min = Vector.new(args[0], args[1], args[2])
+        @max = Vector.new(args[3], args[4], args[5])
+      else
+        raise "Invalid number of arguments! Got: #{args.size}, expected: 0, 2, 4, or 6."
+      end
     end
 
     def ==(other)

lib/cyberarm_engine/lib/vector.rb

@@ -1,6 +1,5 @@
 module CyberarmEngine
   class Vector
-
     def initialize(x = 0, y = 0, z = 0, weight = 0)
       @x, @y, @z, @weight = x, y, z, weight
     end
@@ -17,10 +16,6 @@ module CyberarmEngine
     def weight; @weight; end
     def weight=(n); @weight = n; end
 
-    # def xy=(nx, ny); @x = nx; @y = ny; end
-    # def xyz=(nx, ny, nz); @x = nx; @y = ny; @z = nz; end
-    # def xyzw=(nx, ny, nz, nw); @x = nx; @y = ny; @z = nz; @weight = nw; end
-
     def ==(other)
       if other.is_a?(Numeric)
         @x      == other &&
@@ -35,41 +30,83 @@ module CyberarmEngine
       end
     end
 
+    # Performs math operation, excluding @weight
+    private def operator(function, other)
+      if other.is_a?(Numeric)
+        Vector.new(
+          @x.send(:"#{function}", other),
+          @y.send(:"#{function}", other),
+          @z.send(:"#{function}", other)
+        )
+      else
+        Vector.new(
+          @x.send(:"#{function}", other.x),
+          @y.send(:"#{function}", other.y),
+          @z.send(:"#{function}", other.z)
+        )
+      end
+    end
+
+    # Adds Vector and Numberic or Vector and Vector, excluding @weight
     def +(other)
-      Vector.new(
-        @x      + other.x,
-        @y      + other.y,
-        @z      + other.z,
-        @weight + other.weight
-      )
+      operator("+", other)
     end
 
+    # Subtracts Vector and Numberic or Vector and Vector, excluding @weight
     def -(other)
-      Vector.new(
-        @x      - other.x,
-        @y      - other.y,
-        @z      - other.z,
-        @weight - other.weight
-      )
+      operator("-", other)
     end
 
+    # Multiplies Vector and Numberic or Vector and Vector, excluding @weight
     def *(other)
+      operator("*", other)
+    end
+
+    # Divides Vector and Numberic or Vector and Vector, excluding @weight
+    def /(other)
+      # Duplicated to protect from DivideByZero
+      if other.is_a?(Numeric)
         Vector.new(
-        @x      * other.x,
-        @y      * other.y,
-        @z      * other.z,
-        @weight * other.weight
+          (@x == 0 ? 0 : @x / other),
+          (@y == 0 ? 0 : @y / other),
+          (@z == 0 ? 0 : @z / other)
+        )
+      else
+        Vector.new(
+          (@x == 0 ? 0 : @x / other.x),
+          (@y == 0 ? 0 : @y / other.y),
+          (@z == 0 ? 0 : @z / other.z)
+        )
+      end
+    end
+
+    def dot(other)
+      product = 0
+
+      a = self.to_a
+      b = other.to_a
+
+      3.times do |i|
+        product = product + (a[i] * b[i])
+      end
+
+      return product
+    end
+
+    def cross(other)
+      a = self.to_a
+      b = other.to_a
+
+      Vector.new(
+        b[2] * a[1] - b[1] * a[2],
+        b[0] * a[2] - b[2] * a[0],
+        b[1] * a[0] - b[0] * a[1]
       )
     end
 
-    def /(other)
-      # Endeavors to prevent division by zero
-      Vector.new(
-        @x      == 0 || other.x      == 0 ? 0 : @x      / other.x,
-        @y      == 0 || other.y      == 0 ? 0 : @y      / other.y,
-        @z      == 0 || other.z      == 0 ? 0 : @z      / other.z,
-        @weight == 0 || other.weight == 0 ? 0 : @weight / other.weight
-      )
+    # returns degrees
+    def angle(other)
+      Math.acos( self.normalized.dot(other.normalized) ) * 180 / Math::PI
     end
 
     # returns magnitude of Vector, ignoring #weight
@@ -82,8 +119,38 @@ module CyberarmEngine
       self / Vector.new(mag, mag, mag)
     end
 
+    def direction
+      # z is pitch
+      # y is yaw
+      # x is roll
+      _x = -Math.sin(@y.degrees_to_radians) * Math.cos(@z.degrees_to_radians)
+      _y = Math.sin(@z.degrees_to_radians)
+      _z = Math.cos(@y.degrees_to_radians) * Math.cos(@z.degrees_to_radians)
+
+      Vector.new(_x, _y, _z)
+    end
+
+    def inverse
+      Vector.new(1.0 / @x, 1.0 / @y, 1.0 / @z)
+    end
+
     def sum
-      @x + @y + @z + @weight
+      @x + @y + @z
+    end
+
+    # 2D distance using X and Y
+    def distance(other)
+      Math.sqrt((@x-other.x)**2 + (@y-other.y)**2)
+    end
+
+    # 2D distance using X and Z
+    def gl_distance2d(other)
+      Math.sqrt((@x-other.x)**2 + (@z-other.z)**2)
+    end
+
+    # 3D distance using X, Y, and Z
+    def distance3d(other)
+      Math.sqrt((@x-other.x)**2 + (@y-other.y)**2 + (@z-other.z)**2)
     end
 
     def to_a
@@ -93,5 +160,9 @@ module CyberarmEngine
     def to_s
       "X: #{@x}, Y: #{@y}, Z: #{@z}, Weight: #{@weight}"
     end
+
+    def to_h
+      {x: @x, y: @y, z: @z, weight: @weight}
+    end
   end
 end

lib/cyberarm_engine/objects/text.rb

@@ -2,11 +2,11 @@ module CyberarmEngine
   class Text
     CACHE = {}
 
-    attr_accessor :text, :x, :y, :z, :size, :factor_x, :factor_y, :color, :shadow, :shadow_size, :options
-    attr_reader :textobject
+    attr_accessor :x, :y, :z, :size, :factor_x, :factor_y, :color, :shadow, :shadow_size, :options
+    attr_reader :text, :textobject
 
     def initialize(text, options={})
-      @text = text || ""
+      @text = text.to_s || ""
       @options = options
       @size = options[:size] || 18
       @font = options[:font] || "sans-serif"#Gosu.default_font_name
@@ -62,37 +62,49 @@ module CyberarmEngine
       return font
     end
 
+    def text=(string)
+      @rendered_shadow = nil
+      @text = string
+    end
+
     def width
       textobject.text_width(@text)
     end
 
     def height
-      @text.lines.count * textobject.height
+      (@text.lines.count) * textobject.height
     end
 
     def draw
       if @shadow && !ARGV.join.include?("--no-shadow")
-        _color = Gosu::Color.rgba(@color.red, @color.green, @color.blue, @shadow_alpha) if @shadow_alpha <= @color.alpha
-        _color = Gosu::Color.rgba(@color.red, @color.green, @color.blue, @color.alpha) unless @shadow_alpha <= @color.alpha
+        @shadow_alpha = 30 if @color.alpha > 30
+        @shadow_alpha = @color.alpha if @color.alpha <= 30
+        shadow_color = Gosu::Color.rgba(@color.red, @color.green, @color.blue, @shadow_alpha)
 
-        @textobject.draw_markup(@text, @x-@shadow_size, @y, @z, @factor_x, @factor_y, _color)
-        @textobject.draw_markup(@text, @x-@shadow_size, @y-@shadow_size, @z, @factor_x, @factor_y, _color)
+        _x = @shadow_size
+        _y = @shadow_size
 
-        @textobject.draw_markup(@text, @x, @y-@shadow_size, @z, @factor_x, @factor_y, _color)
-        @textobject.draw_markup(@text, @x+@shadow_size, @y-@shadow_size, @z, @factor_x, @factor_y, _color)
+        @rendered_shadow ||= Gosu.render((self.width+(shadow_size*2)).ceil, (self.height+(@shadow_size*2)).ceil) do
+          @textobject.draw_markup(@text, _x-@shadow_size, _y, @z)
+          @textobject.draw_markup(@text, _x-@shadow_size, _y-@shadow_size, @z)
 
-        @textobject.draw_markup(@text, @x, @y+@shadow_size, @z, @factor_x, @factor_y, _color)
-        @textobject.draw_markup(@text, @x-@shadow_size, @y+@shadow_size, @z, @factor_x, @factor_y, _color)
+          @textobject.draw_markup(@text, _x, _y-@shadow_size, @z, @factor_x)
+          @textobject.draw_markup(@text, _x+@shadow_size, _y-@shadow_size, @z)
 
-        @textobject.draw_markup(@text, @x+@shadow_size, @y, @z, @factor_x, @factor_y, _color)
-        @textobject.draw_markup(@text, @x+@shadow_size, @y+@shadow_size, @z, @factor_x, @factor_y, _color)
+          @textobject.draw_markup(@text, _x, _y+@shadow_size, @z)
+          @textobject.draw_markup(@text, _x-@shadow_size, _y+@shadow_size, @z)
+
+          @textobject.draw_markup(@text, _x+@shadow_size, _y, @z)
+          @textobject.draw_markup(@text, _x+@shadow_size, _y+@shadow_size, @z)
+        end
+        @rendered_shadow.draw(@x-@shadow_size, @y-@shadow_size, @z, @factor_x, @factor_y, shadow_color)
       end
 
       @textobject.draw_markup(@text, @x, @y, @z, @factor_x, @factor_y, @color)
     end
 
     def alpha=(n)
-      @color = Gosu::Color.new(@color.red, @color.green, @color.blue, n)
+      @color = Gosu::Color.rgba(@color.red, @color.green, @color.blue, n)
     end
 
     def alpha

lib/cyberarm_engine/ui/element.rb

@@ -186,6 +186,22 @@ module CyberarmEngine
       @border_canvas.update
     end
 
+    def root
+      unless @root && @root.parent.nil?
+        @root = parent
+
+        loop do
+          if @root.parent.nil?
+            break
+          else
+            @root = @root.parent
+          end
+        end
+      end
+
+      @root
+    end
+
     def recalculate
       raise "#{self.class}#recalculate was not overridden!"
     end
@@ -193,5 +209,9 @@ module CyberarmEngine
     def value
       raise "#{self.class}#value was not overridden!"
     end
+
+    def value=(value)
+      raise "#{self.class}#value= was not overridden!"
+    end
   end
 end

lib/cyberarm_engine/ui/label.rb

@@ -30,5 +30,14 @@ module CyberarmEngine
     def value
       @text.text
     end
+
+    def value=(value)
+      @text.text = value
+
+      old_width, old_height = width, height
+      recalculate
+
+      root.recalculate if old_width != width || old_height != height
+    end
   end
 end

lib/cyberarm_engine/version.rb

@@ -1,4 +1,4 @@
 module CyberarmEngine
   NAME    = "InDev"
-  VERSION = "0.2.0"
+  VERSION = "0.5.0"
 end