Replace constrain (processing) with clamp (ruby-2.4+)

Author: monkstone

contributed/chladni.rb

@@ -63,6 +63,6 @@ def key_pressed
     end
   end
   @recompute = true
-  @m = constrain(m, 1, 20)
-  @n = constrain(n, 1, 20)
+  @m = m.clamp(1, 20)
+  @n = n.clamp(1, 20)
 end

contributed/library/particles/lib/attractor.rb

@@ -23,7 +23,7 @@ def calc_grav_force(p)
     dir = loc - p.loc # Calculate direction of force
     d = dir.mag # Distance between objects
     # Limit the distance to eliminate "extreme" result of very close or very far objects
-    d = constrain(d, 5.0, 50.0)
+    d = d.clamp(5.0, 50.0)
     # Normalize vector (distance doesn't matter here, we just want this vector for direction)
     dir.normalize!
     force = (gravity * mass * 1 / (d * d)) # Calculate gravitional force magnitude

external_library/java/hemesh/slicer.rb

@@ -6,9 +6,6 @@
 java_import 'wblut.processing.WB_Render3D'
 java_import 'wblut.math.WB_Ease'
 
-
-
-
 boolean ORTHOROT
 boolean ORTHO
 
@@ -329,7 +326,7 @@ def getMesh(f, int counter)
 transform=WB_Transform.new
 do
 if (p.parentToChild.nil?)
-  fracf=constrain((float)(p.level-f), 0.0, 1.0)
+  fracf=(p.level-f).clamp(0.0, 1.0)
   if (counter<numFrames/2)
     fracf=1.0-fracf
   end

processing_app/basics/image/colored_extrusion.rb

@@ -32,7 +32,7 @@ def draw
   else
     @sval -= 0.01
   end
-  @sval = constrain @sval, 1.0, 2.5
+  @sval = @sval.clamp(1.0, 2.5)
   translate width / 2 + @nmx * @sval - 100, height / 2 + @nmy * @sval - 200, -50
   scale @sval
   rotate_z PI / 9 - @sval + 1

processing_app/basics/image/sprite.rb

@@ -1,27 +1,27 @@
 # Sprite (Teddy)
-# by James Patterson. 
-# 
-# Demonstrates loading and displaying a transparent GIF image. 
+# by James Patterson.
+#
+# Demonstrates loading and displaying a transparent GIF image.
 
 def setup
   sketch_title 'Sprite'
   @teddy = load_image(data_path('teddy.gif'))
   @xpos, @ypos = width / 2, height / 2
-  @drag = 30.0    
+  @drag = 30.0
   frame_rate 60
 end
 
 def draw
-  background 102    
+  background 102
   difx = mouse_x - @xpos - @teddy.width / 2
   if difx.abs > 1.0
     @xpos += difx / @drag
-    @xpos = constrain(@xpos, 0, width - @teddy.width / 2)
+    @xpos = @xpos.clamp(0, width - @teddy.width / 2)
   end
   dify = mouse_y - @ypos - @teddy.height / 2
   if dify.abs > 1.0
     @ypos += dify/@drag
-    @ypos = constrain(@ypos, 0, height - @teddy.height / 2)
+    @ypos = @ypos.clamp(0, height - @teddy.height / 2)
   end
   image @teddy, @xpos, @ypos
 end

processing_app/basics/input/constrain.rb

@@ -18,8 +18,8 @@ def draw
   @mx += (mouse_x - @mx) * @easing if (mouse_x - @mx).abs > 0.1
   @my += (mouse_y - @my) * @easing if (mouse_y - @my).abs > 0.1
   distance = @ellipse_size * 2
-  @mx = constrain @mx, @inner, (width  - @inner)
-  @my = constrain @my, @inner, (height - @inner)
+  @mx = @mx.clamp(@inner, width  - @inner)
+  @my = @my.clamp(@inner, height - @inner)
   fill 76
   rect @edge, @edge, width - @edge, height - @edge
   fill 255

processing_app/basics/modules/euler_ball.rb

@@ -38,9 +38,8 @@ def bounds_collision
   end
 end
 
-# Convenient boundary class, we only include MathTool module for constrain
+# Convenient boundary class
 class Bounds
-  include Processing::MathTool
   attr_reader :low, :high, :inside
   def initialize(lower:, upper:)
     @low = lower
@@ -51,6 +50,6 @@ def initialize(lower:, upper:)
   # Returns the current position or the limit, sets the `inside` flag
   def position(val)
     @inside = (low..high).cover? val
-    constrain(val, low, high)
+    val.clamp(low, high)
   end
 end

processing_app/basics/objects/shapes/circle.rb

@@ -25,7 +25,7 @@ def jiggle
     super
     # The Circle jiggles both size and location.
     @r += rand(-1..1.0)
-    @r = constrain(r, 0, 100)
+    @r = r.clamp(0, 100)
   end
 
   def display

processing_app/basics/objects/shapes/circle2.rb

@@ -25,7 +25,7 @@ def jiggle
     super
     # The Circle jiggles both size and location.
     @r += rand(-1..1.0)
-    @r = constrain(r, 0, 100)
+    @r = r.clamp(0, 100)
   end
 
   # The change_color function is unique to the Circle class.

processing_app/library/sound/noise/noise_spectrum.rb

@@ -28,11 +28,7 @@ def setup
 
 def draw
   # Only play one of the four noises, based on mouseY
-  next_noise = constrain(
-    map1d(mouseY, 0..height, 0..noises.length),
-    0,
-    noises.length - 1
-  )
+  next_noise = constrained_map(mouseY, 0..height, 0..noises.length)  )
   unless next_noise == current
     noises[current].stop
     @current = next_noise

processing_app/library/sound/oscillators/oscillator_spectrum.rb

@@ -36,11 +36,7 @@ def setup
 
 def draw
   # Only play one of the four oscillators, based on mouseY
-  next_oscillator = constrain(
-    map1d(mouseY, 0..height, 0..count),
-    0,
-    count - 1
-  )
+  next_oscillator = constrained_map(mouseY, 0..height, 0..count)
   unless next_oscillator == current
     oscillators[current].stop
     @current = next_oscillator

processing_app/library/vecmath/vec2d/circles.rb

@@ -107,7 +107,7 @@ def update
   end
 
   def check_edges # could be more sophisticated, eg reverse velocity
-    pos.x = constrain(pos.x, 0, width)
-    pos.y = constrain(pos.y, 0, height)
+    pos.x = pos.x.clamp(0, width)
+    pos.y = pos.y.clamp(0, height)
   end
 end

processing_app/library/vecmath/vec2d/library/verlet_chain/lib/verlet_ball.rb

@@ -39,11 +39,11 @@ def render
 
   def bounds_collision
     if x_bound.exclude? pos.x
-      pos_old.x = constrain pos.x, x_bound.lower, x_bound.upper
+      pos_old.x = pos.x.clamp(x_bound.lower, x_bound.upper)
       pos.x = (pos.x <= radius)? pos_old.x + push.x : pos_old.x - push.x
     end
     return unless y_bound.exclude? pos.y
-    pos_old.y = constrain pos.y, y_bound.lower, y_bound.upper
+    pos_old.y = pos.y.clamp(y_bound.lower, y_bound.upper)
     pos.y = (pos.y <= radius)? pos_old.y + push.y : pos_old.y - push.y
   end
 end

processing_app/library/vecmath/vec2d/seeking_neural.rb

@@ -9,40 +9,40 @@ def initialize(n, c)
       @weights = Array.new(n) { rand(0..1.0) }
       @c = c
     end
-    
+
     # Function to train the Perceptron
     # Weights are adjusted based on vehicle's error
     def train(forces, error)
       trained = @weights.zip(forces.map { |f| f.to_a }
         .map { |a, b| (a * error.x + b * error.y) * @c })
-      .map { |w, c| constrain(w + c, 0, 1.0) }
+      .map { |w, c| (w + c).clamp(0, 1.0) }
       @weights = trained
     end
-    
+
     # Give me a steering result
     def feedforward(forces)
       # Sum all values
       forces.zip(@weights).map { |a, b| a * b }.reduce(Vec2D.new, :+)
       # forces.zip(@weights).map { |a, b| a * b }.reduce(:+)
     end
-  end  
+  end
   # Seek
   # Daniel Shiffman <http://www.shiffman.net>
-  
+
   class Vehicle
     MAX_SPEED = 4
     MAX_FORCE = 0.1
 
     attr_reader :brain, :sz, :location, :targets, :desired
-    
+
     def initialize(n, x, y)
       @brain = Perceptron.new(n, 0.001)
       @acceleration = Vec2D.new
       @velocity = Vec2D.new
       @location = Vec2D.new(x, y)
       @sz = 6.0
     end
-    
+
     # Method to update location
     def update(width, height)
       # Update velocity
@@ -52,15 +52,15 @@ def update(width, height)
       @location += @velocity
       # Reset acceleration to 0 each cycle
       @acceleration *= 0
-      @location.x = constrain(location.x, 0, width)
-      @location.y = constrain(location.y, 0, height)
+      @location.x = location.x.clamp(0, width)
+      @location.y = location.y.clamp(0, height)
     end
-    
+
     def apply_force(force)
       # We could add mass here if we want A = F / M
       @acceleration += force
     end
-    
+
     # Here is where the brain processes everything
     def steer(targets, desired)
       # Steer towards all targets
@@ -73,7 +73,7 @@ def steer(targets, desired)
       error = desired - location
       brain.train(forces, error)
     end
-    
+
     # A method that calculates a steering force towards a target
     # STEER = DESIRED MINUS VELOCITY
     def seek(target)
@@ -86,8 +86,8 @@ def seek(target)
       steer.set_mag(MAX_FORCE) { steer.mag > MAX_FORCE } # Limit to a maximum steering force
       steer
     end
-    
-    def display      
+
+    def display
       # Draw a triangle rotated in the direction of velocity
       theta = @velocity.heading + PI / 2
       fill(175)
@@ -103,7 +103,7 @@ def display
       end_shape(CLOSE)
       pop_matrix
     end
-  end    
+  end
 end
 
 include SeekingNeural
@@ -114,9 +114,9 @@ def display
 def setup
   sketch_title 'Seeking Neural'
   # The Vehicle's desired location
-  @desired = Vec2D.new(width / 2, height / 2)  
+  @desired = Vec2D.new(width / 2, height / 2)
   # Create a list of targets
-  make_targets  
+  make_targets
   # Create the Vehicle (it has to know about the number of targets
   # in order to configure its brain)
   @v = Vehicle.new(targets.size, rand(width), rand(height))
@@ -128,12 +128,12 @@ def make_targets
 end
 
 def draw
-  background(255)  
+  background(255)
   # Draw a circle to show the Vehicle's goal
   stroke(0)
   stroke_weight(2)
   fill(0, 100)
-  ellipse(desired.x, desired.y, 36, 36)  
+  ellipse(desired.x, desired.y, 36, 36)
   # Draw the targets
   targets.each do |target|
     no_fill
@@ -142,7 +142,7 @@ def draw
     ellipse(target.x, target.y, 16, 16)
     line(target.x, target.y - 16, target.x, target.y + 16)
     line(target.x - 16, target.y, target.x + 16, target.y)
-  end  
+  end
   # Update the Vehicle
   v.steer(targets, desired)
   v.update(width, height)

processing_app/topics/advanced_data/counting_words.rb

@@ -6,7 +6,7 @@ def initialize(word)
     @word = word
     @count = 1
   end
-  
+
   def increment
     @count += 1
   end
@@ -55,7 +55,7 @@ def draw
     # Only display words that appear 3 times
     if w.count > 3  # access word count
       # The size is the count
-      fsize = constrain(w.count, 0, 100)
+      fsize = w.count.clamp(0, 100)
       text_size(fsize)
       text(w.word, x, y)
       # Move along the x-axis

processing_app/topics/advanced_data/library/word/word.rb

@@ -39,7 +39,7 @@ def increment_franken
   # The more often it appears, the faster it falls
   def move
     @speed = map1d(total_count, (5..25), (0.1..0.4))
-    @speed = constrain(speed, 0, 10.0)
+    @speed = speed.clamp(0, 10.0)
     @position[Y] += speed
     @position[Y] = -height if position[Y] > height * 2
   end
@@ -53,7 +53,7 @@ def display
     end
     # Its size is also tied to number of occurences
     fs = map1d(total_count, (5..25), (2..24.0))
-    fs = constrain(fs, 2, 48)
+    fs = fs.clamp(2, 48)
     text_size(fs)
     text_align(CENTER)
     text(word, position[X], position[Y])

processing_app/topics/cellular_automata/game_of_life.rb

@@ -52,9 +52,9 @@ def draw
   if pause && mouse_pressed?
     # # Map and avoid out of bound errors
     over_x = (map1d(mouse_x, (0..width), (0..row))).to_i
-    over_x = constrain(over_x, 0, row - 1)
+    over_x = over_x.clamp(0, row - 1)
     over_y = (map1d(mouse_y, (0..height), (0..column))).to_i
-    over_y = constrain(over_y, 0, column - 1)
+    over_y = over_y.clamp(0, column - 1)
     # Check against cells in buffer
     if cells_buffer[over_x][over_y]  # Cell is alive
       cells[over_x][over_y] = DEAD # Kill

processing_app/topics/gui/handles.rb

@@ -58,7 +58,7 @@ def update
       press_event
     end
     return unless press
-    @stretch = constrain(mouse_x - width / 2 - size / 2, 0, width / 2 - size - 1)
+    @stretch = (mouse_x - width / 2 - size / 2).clamp(0, width / 2 - size - 1)
   end
 
   def over_event

processing_app/topics/gui/scrollbar.rb

@@ -66,7 +66,7 @@ def update
     else
       @locked = app.mouse_pressed? && over_event?
     end
-    @newspos = constrain(mouse_x - wd / 2, spos_min, spos_max) if locked
+    @newspos = (mouse_x - wd / 2).clamp(spos_min, spos_max) if locked
     @spos = spos + (newspos - spos) / loose if (newspos - spos).abs > 1
   end