Class: BoidView

Inherits:
View show all
Defined in:
ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb

Constant Summary collapse

BODY_COLOR = 
[0, 0, 0]
BEAK_COLOR = 
[0.75, 0.5, 0.0]
SHADOW_COLOR = 
[0.25, 0.55, 0.25]
HALF_WING_BASE = 
3
HALF_LENGTH = 
5
HALF_THICKNESS = 
1
NOSE_LENGTH = 
3
@@object = 
nil
@@shadow = 
nil
@@wings = 
nil
@@wingsShadows = 
nil

Instance Attribute Summary

Attributes inherited from View

#color, #model, #object, #shadow

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from View

#draw, #drawShadow, #shadowColorForHeight

Constructor Details

#initialize(model) ⇒ BoidView

Returns a new instance of BoidView.



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 26

def initialize(model)
	super(model, [0, 0, 0])
	@wings = nil
	@wingsShadows = nil
end

Class Method Details

.makeBody ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 111

def BoidView.makeBody
	p0 = Point::ORIGIN.dup()
	p1 = Point::ORIGIN.dup()
	dims = Point.new(HALF_THICKNESS, HALF_THICKNESS, HALF_LENGTH)
	p0.subtractPoint(dims)
	p1.addPoint(dims)

	Color(BODY_COLOR)
	Graphics.boxFromCorners(p0, p1)
end

.makeNose ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 145

def BoidView.makeNose()
	Color(BEAK_COLOR)
	Begin(TRIANGLE_FAN)

	Vertex(0, 0, HALF_LENGTH + NOSE_LENGTH)
	Vertex( HALF_THICKNESS,  HALF_THICKNESS, HALF_LENGTH)
	Vertex(-HALF_THICKNESS,  HALF_THICKNESS, HALF_LENGTH)
	Vertex(-HALF_THICKNESS, -HALF_THICKNESS, HALF_LENGTH)
	Vertex( HALF_THICKNESS, -HALF_THICKNESS, HALF_LENGTH)

	End()
end

.makeObject ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 69

def BoidView.makeObject
	makeWings()

	object = GenLists(1)
	NewList(object, COMPILE)

	makeBody()
	makeNose()

	EndList()

	return object
end

.makeOneWing(len) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 129

def BoidView.makeOneWing(len)
	wing = GenLists(1)
	NewList(wing, COMPILE)

	Color(BODY_COLOR)
	Begin(TRIANGLES)

	Vertex(0, 0, -HALF_WING_BASE)
	Vertex(len, 0, 0)
	Vertex(0, 0, HALF_WING_BASE)

	End()
	EndList()
	return wing
end

.makeShadow ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 83

def BoidView.makeShadow
	@@shadow = GenLists(1)
	NewList(@@shadow, COMPILE)

	p0 = Point::ORIGIN.dup()
	p1 = Point::ORIGIN.dup()
	dims = Point.new(HALF_THICKNESS, HALF_THICKNESS, HALF_LENGTH)
	p0.subtractPoint(dims)
	p1.addPoint(dims)
	
	groundLevel = -($PARAMS['world_height'] / 2) + 1

	Color(SHADOW_COLOR)
	Begin(QUADS)
	Vertex(p1.x, groundLevel, p0.z)
	Vertex(p0.x, groundLevel, p0.z)
	Vertex(p0.x, groundLevel, p1.z)
	Vertex(p1.x, groundLevel, p1.z)
	End()
#  	Begin(TRIANGLES)
#  	Vertex(p1.x, groundLevel, p1.z)
#  	Vertex(0, groundLevel, p0.z)
#  	Vertex(p0.x, groundLevel, p1.z)
#  	End()

	EndList()
end

.makeWings ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 122

def BoidView.makeWings
	@@wings = []
	len = -$PARAMS['boid_wing_length']
	@@wings << makeOneWing(len)
	@@wings << makeOneWing(-len)
end

Instance Method Details

#drawObject ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 44

def drawObject
	super()

	angle = 0
	case model.wingFlapPos
	when 0
 angle = 60
	when 1, 7
 angle = 30
	when 2, 6
 angle = 0
	when 3, 5
 angle = -30
	when 4
 angle = -60
	end

	PushMatrix()
	Rotate(angle, 0, 0, 1)
	CallList(@wings[0])
	Rotate(angle * -2, 0, 0, 1)
	CallList(@wings[1])
	PopMatrix()
end

#makeObject ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 32

def makeObject
	@@object = BoidView.makeObject() unless @@object
	@object = @@object
	@wings = @@wings
end

#makeShadow ⇒ Object 



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# File 'ext/ruby/qtruby/examples/ruboids/ruboids/BoidView.rb', line 38

def makeShadow
	BoidView.makeShadow() unless @@shadow
	@shadow = @@shadow
	@wingsShadows = @@wingsShadows
end