Class: NousPoint

Inherits:
Object
  • Object
show all
Includes:
Logic_Controls
Defined in:
lib/midinous/points.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logic_Controls

#check_bounds, #color_to_hex, #draw_chevron, #hex_to_color, #pos_box, #relative_pos, #round_num_to_grid, #round_to_grid, #set_point_speed, #sync_diff

Constructor Details

#initialize(o, save_id) ⇒ NousPoint

where the point was initially placed, and a unique identifier



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# File 'lib/midinous/points.rb', line 509

def initialize(o,save_id) #where the point was initially placed, and a unique identifier
	@dp = [4,8,10,12,14,16,20]
	
	@x = o[0]
	@y = o[1]
	@origin = o
	@bounds = [@x-@dp[5],@y-@dp[5],@x+@dp[5],@y+@dp[5]]
	@color           = GREY #point color defaults to gray++
	@path_color      = CYAN
	@default_color   = GREY
	@note            = 60    #all notes start at middle c (C3), can be a note or a reference
	@velocity        = 100   #       ``       with 100 velocity
	@channel         = 1     #       ``       assigned to midi channel 1 (instrument 1, but we will refer to them as channels, not instruments)
	@duration        = 1     #length of note in grid points (should be considered beats)
	@repeat          = 0     #Number of times the node should repeat before moving on
	@save_id         = save_id
	@play_modes      = ["robin","split","portal","random"]
	@traveler_start  = false
	@playing         = false
	@pathable        = false
	@selected        = false
	@source          = false
	@repeating       = false
	@use_rel         = false
	@mute            = false
	@path_to         = [] #array of references to points that are receiving a path from this point
	@path_to_memory  = [] #memory of @path_to so that it can be reset upon stopping.
	@path_to_rels    = []
	@path_from_rels  = []
	@path_from       = [] #array of references to points that are sending a path to this point
	@path_mode       = "horz"
	@chev_offsets    = [0,0,0,0]
end

Instance Attribute Details

#bounds ⇒ Object (readonly)

Returns the value of attribute bounds.



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# File 'lib/midinous/points.rb', line 507

def bounds
  @bounds
end

#channel ⇒ Object

Returns the value of attribute channel.



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# File 'lib/midinous/points.rb', line 502

def channel
  @channel
end

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/midinous/points.rb', line 502

def color
  @color
end

#default_color ⇒ Object

Returns the value of attribute default_color.



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# File 'lib/midinous/points.rb', line 502

def default_color
  @default_color
end

#duration ⇒ Object

Returns the value of attribute duration.



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# File 'lib/midinous/points.rb', line 502

def duration
  @duration
end

#mute ⇒ Object

Returns the value of attribute mute.



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# File 'lib/midinous/points.rb', line 502

def mute
  @mute
end

#note ⇒ Object

Returns the value of attribute note.



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# File 'lib/midinous/points.rb', line 502

def note
  @note
end

#origin ⇒ Object

Returns the value of attribute origin.



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# File 'lib/midinous/points.rb', line 507

def origin
  @origin
end

#path_from ⇒ Object

Returns the value of attribute path_from.



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# File 'lib/midinous/points.rb', line 502

def path_from
  @path_from
end

#path_from_rels ⇒ Object

Returns the value of attribute path_from_rels.



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# File 'lib/midinous/points.rb', line 502

def path_from_rels
  @path_from_rels
end

#path_mode ⇒ Object

Returns the value of attribute path_mode.



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# File 'lib/midinous/points.rb', line 502

def path_mode
  @path_mode
end

#path_to ⇒ Object

Returns the value of attribute path_to.



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# File 'lib/midinous/points.rb', line 502

def path_to
  @path_to
end

#path_to_memory ⇒ Object

Returns the value of attribute path_to_memory.



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# File 'lib/midinous/points.rb', line 502

def path_to_memory
  @path_to_memory
end

#path_to_rels ⇒ Object

Returns the value of attribute path_to_rels.



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# File 'lib/midinous/points.rb', line 502

def path_to_rels
  @path_to_rels
end

#pathable ⇒ Object (readonly)

Returns the value of attribute pathable.



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# File 'lib/midinous/points.rb', line 507

def pathable
  @pathable
end

#play_modes ⇒ Object

Returns the value of attribute play_modes.



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# File 'lib/midinous/points.rb', line 502

def play_modes
  @play_modes
end

#playing ⇒ Object

Returns the value of attribute playing.



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# File 'lib/midinous/points.rb', line 502

def playing
  @playing
end

#repeat ⇒ Object

Returns the value of attribute repeat.



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# File 'lib/midinous/points.rb', line 502

def repeat
  @repeat
end

#repeating ⇒ Object

Returns the value of attribute repeating.



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# File 'lib/midinous/points.rb', line 502

def repeating
  @repeating
end

#save_id ⇒ Object

Returns the value of attribute save_id.



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# File 'lib/midinous/points.rb', line 502

def save_id
  @save_id
end

#selected ⇒ Object

Returns the value of attribute selected.



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# File 'lib/midinous/points.rb', line 502

def selected
  @selected
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/midinous/points.rb', line 502

def source
  @source
end

#traveler_start ⇒ Object

Returns the value of attribute traveler_start.



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# File 'lib/midinous/points.rb', line 502

def traveler_start
  @traveler_start
end

#use_rel ⇒ Object

Returns the value of attribute use_rel.



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# File 'lib/midinous/points.rb', line 502

def use_rel
  @use_rel
end

#velocity ⇒ Object

Returns the value of attribute velocity.



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# File 'lib/midinous/points.rb', line 502

def velocity
  @velocity
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/midinous/points.rb', line 502

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/midinous/points.rb', line 502

def y
  @y
end

Instance Method Details

#caret_draw(cr) ⇒ Object 



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# File 'lib/midinous/points.rb', line 754

def caret_draw(cr)
	cr.set_dash([],0)
	@chev_offsets = [0,0,0,0]
	@path_from.each do |s| 
		input_mark_draw(cr,relative_pos(@x-s.x,@y-s.y),s)
		cr.set_source_rgba(s.color[0],s.color[1],s.color[2],1)
		cr.fill
	end
end

#deselect ⇒ Object

resets the color from elevated ‘selected’ values and sets a flag



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# File 'lib/midinous/points.rb', line 635

def deselect #resets the color from elevated 'selected' values and sets a flag
	@selected = false
	@color = @default_color
end

#draw(cr) ⇒ Object

point will always be drawn to this specification.



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# File 'lib/midinous/points.rb', line 640

def draw(cr) #point will always be drawn to this specification.
	
	cr.set_source_rgba(@color[0],@color[1],@color[2],0.4)
	
	if @traveler_start
		traveler_start_draw(cr)
	else
	  cr.rounded_rectangle(@x-@dp[1],@y-@dp[1],@dp[5],@dp[5],2,2) #slightly smaller rectangle adds 'relief' effect
	end
	cr.fill
	
	cr.set_source_rgba(@color[0],@color[1],@color[2],1)
	case @play_modes[0]
	when "robin"
		if @path_to.length > 1
			cr.move_to(@x-8,@y)
			cr.line_to(@x+6,@y-9)
			cr.set_line_width(2)
			cr.stroke
			cr.move_to(@x-8,@y)
			cr.set_dash([1,4],0)
			cr.line_to(@x+6,@y+9)
			cr.set_line_width(2)
			cr.stroke
			cr.set_dash([],0)
		else
			cr.circle(@x,@y,1)
			cr.fill
		end
	when "split"
		cr.move_to(@x-8,@y)
		cr.line_to(@x+6,@y-9)
		cr.move_to(@x-8,@y)
		cr.line_to(@x+6,@y+9)
		cr.set_line_width(2)
		cr.stroke
	when "portal"
		cr.circle(@x,@y,6)
		cr.set_line_width(2)
		cr.stroke
	when "random"
		cr.rectangle(@x-6,@y-2,8,8)
		cr.rectangle(@x-2,@y-6,8,8)
		cr.set_line_width(2)
		cr.stroke
	end
	
	if @repeat > 0
		if @traveler_start
			cr.move_to(@x+3,@y-@dp[2]-2)
			cr.line_to(@x-2,-6+@y-@dp[2]-2)
			cr.line_to(@x-2,6+@y-@dp[2]-2)
			cr.line_to(@x+3,@y-@dp[2]-2)
			cr.fill
			cr.move_to(@x-3,@y+@dp[2]+2)
			cr.line_to(@x+2,-6+@y+@dp[2]+2)
			cr.line_to(@x+2,6+@y+@dp[2]+2)
			cr.line_to(@x-3,@y+@dp[2]+2)
			cr.fill
		else
			cr.move_to(@x-2,@y-@dp[2])
			cr.line_to(@x-7,-6+@y-@dp[2])
			cr.line_to(@x-7,6+@y-@dp[2])
			cr.line_to(@x-2,@y-@dp[2])
			cr.fill
			cr.move_to(@x+2,@y+@dp[2])
			cr.line_to(@x+7,-6+@y+@dp[2])
			cr.line_to(@x+7,6+@y+@dp[2])
			cr.line_to(@x+2,@y+@dp[2])
			cr.fill
		end
	end
	
	cr.set_dash([2,4],0) if @mute
	if !@selected
		if @traveler_start
			traveler_start_draw(cr)
		else
			cr.rounded_rectangle(@x-@dp[2],@y-@dp[2],@dp[6],@dp[6],2,2)
		end
	end
	if @selected
		cr.set_source_rgba(1,1,1,0.8)
		if @traveler_start			
			traveler_start_draw(cr)
		else
			cr.rounded_rectangle(@x-@dp[2],@y-@dp[2],@dp[6],@dp[6],2,2) #a slightly smaller rectangle adds 'relief' effect
		end
		selection_caret_draw(cr)
	end
	cr.set_line_width(2)
	cr.stroke
	cr.set_dash([],0)
	play_draw(cr) if @playing
	repeat_draw(cr) if @repeating
end

#input_mark_draw(cr, rel_pos, s) ⇒ Object 



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# File 'lib/midinous/points.rb', line 903

def input_mark_draw(cr,rel_pos,s)
	if    s.path_mode == "horz"
		case rel_pos
		when "n","ne","nw"
			draw_chevron(cr,@chev_offsets[0],"n",self)
			@chev_offsets[0] += 5
		when "s","se","sw"
			draw_chevron(cr,@chev_offsets[1],"s",self)
			@chev_offsets[1] += 5
		when "e"
			draw_chevron(cr,@chev_offsets[2],"e",self)
			@chev_offsets[2] += 5
		when "w"
			draw_chevron(cr,@chev_offsets[3],"w",self)
			@chev_offsets[3] += 5
		end
	elsif s.path_mode == "vert"
		case rel_pos
		when "n"
			draw_chevron(cr,@chev_offsets[0],"n",self)
			@chev_offsets[0] += 5
		when "s"
			draw_chevron(cr,@chev_offsets[1],"s",self)
			@chev_offsets[1] += 5
		when "e","ne","se"
			draw_chevron(cr,@chev_offsets[2],"e",self)
			@chev_offsets[2] += 5
		when "w","nw","sw"
			draw_chevron(cr,@chev_offsets[3],"w",self)
			@chev_offsets[3] += 5
		end
	end
end

#not_pathable ⇒ Object 



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# File 'lib/midinous/points.rb', line 572

def not_pathable
	!@pathable
end

#not_selected ⇒ Object 



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# File 'lib/midinous/points.rb', line 569

def not_selected
	!@selected
end

#path_draw(cr) ⇒ Object 



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# File 'lib/midinous/points.rb', line 737

def path_draw(cr)
	if !@selected
	
		cr.set_source_rgba(@path_color[0],@path_color[1],@path_color[2],0.6)
		@path_to.each {|t| trace_path_to(cr,t)}
		
	elsif @selected
		
		cr.set_source_rgba(LGRN[0],LGRN[1],LGRN[2],0.8)
		@path_to.each   {|t| trace_path_to(cr,t)}
		cr.set_line_cap(1)    #Round
		cr.set_line_join(2)   #Miter
		cr.set_line_width(3)
		cr.stroke
		
	end
end

#path_set(source_chosen) ⇒ Object 



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# File 'lib/midinous/points.rb', line 583

def path_set(source_chosen)
	@pathable = true
	case source_chosen
		when false       #if source point was not chosen (first point clicked on path screen)
			@source = true #Path source is now chosen on this node
			@color = CYAN
			return true
		when true	       #Path source is already chosen in this operation
			@color = GREEN
	end
	return source_chosen
end

#path_unset ⇒ Object 



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# File 'lib/midinous/points.rb', line 595

def path_unset
	@pathable = false
	@source = false
	@color = @default_color
end

#play_draw(cr) ⇒ Object

If a note is playing, show a visual indicator



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# File 'lib/midinous/points.rb', line 763

def play_draw(cr) #If a note is playing, show a visual indicator
	cr.set_source_rgb(@color[0],@color[1],@color[2])
	if @traveler_start
		traveler_start_draw(cr)
	else
		cr.rounded_rectangle(@x-@dp[2],@y-@dp[2],@dp[6],@dp[6],2,2)
	end
	cr.fill
end

#repeat_draw(cr) ⇒ Object 



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# File 'lib/midinous/points.rb', line 772

def repeat_draw(cr)
	cr.set_source_rgb(@color[0],@color[1],@color[2])
	cr.rounded_rectangle(@x-@dp[2]+3,@y-@dp[2]+3,@dp[6]-6,@dp[6]-6,2,2)
	cr.fill
end

#reset_path_to ⇒ Object 



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# File 'lib/midinous/points.rb', line 601

def reset_path_to
	if @path_to.length != @path_to_memory.length
		@path_to_memory = []
		UI.confirm("path_warning")
	else
		@path_to = []
		@path_to_memory.each {|p| @path_to << p}
		@path_to_memory = []
	end
end

#select ⇒ Object

elevate color to denote ‘selected’ and sets a flag



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# File 'lib/midinous/points.rb', line 632

def select  #elevate color to denote 'selected' and sets a flag
	@selected = true
end

#selection_caret_draw(cr) ⇒ Object

Shape of a selection caret



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# File 'lib/midinous/points.rb', line 789

def selection_caret_draw(cr) #Shape of a selection caret
	cr.move_to(@x-@dp[4],@y-@dp[4])
	cr.line_to(@x-@dp[2],@y-@dp[4])
	cr.move_to(@x-@dp[4],@y-@dp[4])
	cr.line_to(@x-@dp[4],@y-@dp[2])

	cr.move_to(@x+@dp[4],@y-@dp[4])
	cr.line_to(@x+@dp[2],@y-@dp[4])
	cr.move_to(@x+@dp[4],@y-@dp[4])
	cr.line_to(@x+@dp[4],@y-@dp[2])
				
	cr.move_to(@x-@dp[4],@y+@dp[4])
	cr.line_to(@x-@dp[2],@y+@dp[4])
	cr.move_to(@x-@dp[4],@y+@dp[4])
	cr.line_to(@x-@dp[4],@y+@dp[2])
				
	cr.move_to(@x+@dp[4],@y+@dp[4])
	cr.line_to(@x+@dp[2],@y+@dp[4])
	cr.move_to(@x+@dp[4],@y+@dp[4])
	cr.line_to(@x+@dp[4],@y+@dp[2])
end

#set_default_color(c) ⇒ Object 



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# File 'lib/midinous/points.rb', line 612

def set_default_color(c)
	@color = c
	@default_color = c
end

#set_destination(diff) ⇒ Object

sets a new origin for the point based on x,y coordinate differences



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# File 'lib/midinous/points.rb', line 626

def set_destination(diff) #sets a new origin for the point based on x,y coordinate differences
	@x += diff[0]
	@y += diff[1]
	@origin = [@x,@y]
	@bounds = [@x-@dp[5],@y-@dp[5],@x+@dp[5],@y+@dp[5]]
end

#set_path_color ⇒ Object 



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# File 'lib/midinous/points.rb', line 616

def set_path_color
	case @play_modes[0]
	when "robin","split"
		@path_color = CYAN
	when "portal"
		@path_color = RED
	when "random"
		@path_color = VLET
	end
end

#set_rels ⇒ Object 



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# File 'lib/midinous/points.rb', line 543

def set_rels
	@path_to_rels = []
	@path_from_rels = []
	path_to.each {|pt| @path_to_rels << pt.save_id}
	path_from.each {|pf| @path_from_rels << pf.save_id}
end

#trace_path_from(cr, s) ⇒ Object 



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# File 'lib/midinous/points.rb', line 887

def trace_path_from(cr,s)
	case s.path_mode
	when "horz"
		cr.move_to(s.x,s.y)
		cr.line_to(@x,s.y)
		cr.line_to(@x,@y)
	when "vert"
		cr.move_to(s.x,s.y)
		cr.line_to(s.x,@y)
		cr.line_to(@x,@y)
	when "line"
		cr.move_to(s.x,s.y)
		cr.line_to(@x,@y)
	end
end

#trace_path_to(cr, t) ⇒ Object 



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# File 'lib/midinous/points.rb', line 810

def trace_path_to(cr,t)
	
	case @play_modes[0]
	when "robin"
		cr.set_dash([5,5],0)
		if @path_to[0] == t
			cr.set_dash([],0)
		end
	when "portal"
		cr.set_dash([1,5],0)
	end
	
	rel_pos = relative_pos(t.x-@x,t.y-@y)
	case rel_pos
	when "n"
		cr.move_to(@x,@y-10)
		cr.line_to(t.x,t.y+10)
	when "s"
		cr.move_to(@x,@y+10)
		cr.line_to(t.x,t.y-10)
	when "e"
		cr.move_to(@x+10,@y)
		cr.line_to(t.x-10,t.y)
	when "w"
		cr.move_to(@x-10,@y)
		cr.line_to(t.x+10,t.y)
	end
	
	case @path_mode
	when "horz"
		case rel_pos
		when "ne"
			cr.move_to(@x+10,@y)
			cr.line_to(t.x,@y)
			cr.line_to(t.x,t.y+10)
		when "nw"
			cr.move_to(@x-10,@y)
			cr.line_to(t.x,@y)
			cr.line_to(t.x,t.y+10)
		when "se"
			cr.move_to(@x+10,@y)
			cr.line_to(t.x,@y)
			cr.line_to(t.x,t.y-10)
		when "sw"
			cr.move_to(@x-10,@y)
			cr.line_to(t.x,@y)
			cr.line_to(t.x,t.y-10)
		end
	when "vert"
		case rel_pos
		when "ne"
			cr.move_to(@x,@y-10)
			cr.line_to(@x,t.y)
			cr.line_to(t.x-10,t.y)
		when "nw"
			cr.move_to(@x,@y-10)
			cr.line_to(@x,t.y)
			cr.line_to(t.x+10,t.y)
		when "se"
			cr.move_to(@x,@y+10)
			cr.line_to(@x,t.y)
			cr.line_to(t.x-10,t.y)
		when "sw"
			cr.move_to(@x,@y+10)
			cr.line_to(@x,t.y)
			cr.line_to(t.x+10,t.y)
		end
	when "line"
		cr.move_to(@x,@y)
		cr.line_to(t.x,t.y)
	end
	cr.set_line_cap(1)    #Round
	cr.set_line_join(2)   #Miter
	cr.set_line_width(3)
	cr.stroke
end

#traveler_start_draw(cr) ⇒ Object

Shape of a traveler start position



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# File 'lib/midinous/points.rb', line 778

def traveler_start_draw(cr) #Shape of a traveler start position
	cr.move_to(@x-@dp[0],@y-@dp[3])
	cr.line_to(@x+@dp[0],@y-@dp[3])
	cr.line_to(@x+@dp[1],@y-@dp[1])
	cr.line_to(@x+@dp[1],@y+@dp[1])
	cr.line_to(@x+@dp[0],@y+@dp[3])
	cr.line_to(@x-@dp[0],@y+@dp[3])
	cr.line_to(@x-@dp[1],@y+@dp[1])
	cr.line_to(@x-@dp[1],@y-@dp[1])
	cr.line_to(@x-@dp[0],@y-@dp[3])
end

#write_props(file) ⇒ Object 



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# File 'lib/midinous/points.rb', line 550

def write_props(file)
	set_rels
	file.write("#{@save_id}<~>")   
	file.write("#{@origin}<~>")
	file.write("#{@note}<~>")
	file.write("#{@velocity}<~>")
	file.write("#{@channel}<~>")       
	file.write("#{@duration}<~>") 
	file.write("#{color_to_hex(@default_color)}<~>")		
	file.write("#{@repeat}<~>")        
	file.write("#{@play_modes}<~>")    
	file.write("#{@traveler_start}<~>")                       
	file.write("#{@use_rel}<~>")               
	file.write("#{@path_mode}<~>")
	file.write("#{@mute}<~>")
	file.write("#{@path_to_rels}<~>")
	file.write("#{@path_from_rels}")
end