Class: Activity

Inherits:
Object
  • Object
show all
Defined in:
lib/gl_tail/activity.rb

Overview

gl_tail.rb - OpenGL visualization of your server traffic Copyright 2007 Erlend Simonsen <[email protected]>

Licensed under the GNU General Public License v2 (see LICENSE)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(message, x, y, z, color, size, type = 0) ⇒ Activity

Returns a new instance of Activity.



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# File 'lib/gl_tail/activity.rb', line 11

def initialize(message, x, y, z, color, size, type = 0)
  @message = message
  @x, @y, @z = x, y, z
#    @xi, @yi, @zi = 0.012 + (rand(100)/100.0 ) * 0.0012 , 0.002 + (rand(1000)/1000.0 ) * 0.002, 0
  @xi, @yi, @zi = 0.006 , 0.0013, 0

  if @x >= 0.0
    @xi = -@xi
  end

  @xi = (rand(100)/100.0 * 0.002) - 0.001 if type == 2
  @yi = (rand(100)/100.0 * 0.002) - 0.001 if type == 2

  @color = color
  @size  = size
  @type  = type

  @rx, @ry, @rz = rand(360), rand(360), 0
end

Instance Attribute Details

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/gl_tail/activity.rb', line 9

def color
  @color
end

#message ⇒ Object

Returns the value of attribute message.



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# File 'lib/gl_tail/activity.rb', line 9

def message
  @message
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/gl_tail/activity.rb', line 9

def size
  @size
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/gl_tail/activity.rb', line 9

def type
  @type
end

#wx ⇒ Object

Returns the value of attribute wx.



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# File 'lib/gl_tail/activity.rb', line 8

def wx
  @wx
end

#wy ⇒ Object

Returns the value of attribute wy.



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# File 'lib/gl_tail/activity.rb', line 8

def wy
  @wy
end

#wz ⇒ Object

Returns the value of attribute wz.



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# File 'lib/gl_tail/activity.rb', line 8

def wz
  @wz
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/gl_tail/activity.rb', line 8

def x
  @x
end

#xi ⇒ Object

Returns the value of attribute xi.



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# File 'lib/gl_tail/activity.rb', line 8

def xi
  @xi
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/gl_tail/activity.rb', line 8

def y
  @y
end

#yi ⇒ Object

Returns the value of attribute yi.



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# File 'lib/gl_tail/activity.rb', line 8

def yi
  @yi
end

#z ⇒ Object

Returns the value of attribute z.



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# File 'lib/gl_tail/activity.rb', line 8

def z
  @z
end

#zi ⇒ Object

Returns the value of attribute zi.



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# File 'lib/gl_tail/activity.rb', line 8

def zi
  @zi
end

Instance Method Details

#render(engine) ⇒ Object 



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# File 'lib/gl_tail/activity.rb', line 31

def render(engine)
  if @type != 5
    if engine.screen.wanted_fps == 0
      @x += @xi
      @y += @yi
      @yi = @yi - 0.00008
    else
      @fps_mod ||= (60.0 / engine.screen.wanted_fps)
      @x += @xi * @fps_mod
      @y += @yi * @fps_mod
      @yi = @yi - 0.00008 * @fps_mod
    end

#      @yi = @yi * 1.01
#      @xi = @xi * 0.9995

    if @y - @size/2 < -engine.screen.top
      @y = -engine.screen.top + @size/2
      @yi = -@yi * 0.7
      @x = 30.0 if(@type == 2 || (engine.screen.bounce.nil? || engine.screen.bounce == false ) )
    end
  else
    dy = @wy - @y
    if dy.abs < 0.001
      @y = @wy
    else
      @y += dy / 20
    end

    dx = @wx - @x
    if dx.abs < 0.001
      @x = @wx
    else
      @x += dx / 20
    end

    if @x == @wx
      @x = 20.0
    end

  end

  glPushMatrix()
  glColor(@color)

  if @type == 0 || @type == 5
    glTranslate(@x, @y, @z)
    if engine.screen.mode == 1
      glRotatef(@rx, 1.0, 0.0, 0.0)
      glRotatef(@ry, 0.0, 1.0, 0.0)
      @rx += 2
      @ry += 1
      unless BlobStore.has(@size)
        list = glGenLists(1)
        glNewList(list, GL_COMPILE)

        glBegin(GL_QUADS)
        glVertex3f(-@size,  @size, 0)
        glVertex3f( @size,  @size, 0)
        glVertex3f( @size, -@size, 0)
        glVertex3f(-@size, -@size, 0)
        glEnd

        glEndList()
        BlobStore.put(@size,list)
      end
    else
      unless BlobStore.has(@size)

        list = glGenLists(1)
        glNewList(list, GL_COMPILE)

        tmp = 10 + 10 * ((@size-engine.screen.min_blob_size)/engine.screen.max_blob_size)
        glutSolidSphere(@size, tmp, 2)

        glEndList()
        BlobStore.put(@size,list)
      end
    end
    glCallList(BlobStore.get(@size))
  elsif @type == 1
    glTranslate(@x, @y, @z)
    glRotatef(@rx, 1.0, 0.0, 0.0)
    glRotatef(@ry, 0.0, 1.0, 0.0)
    @rx += 2
    @ry += 1
    unless BlobStore.has(@size.to_s)
      list = glGenLists(1)
      glNewList(list, GL_COMPILE)

      glBegin(GL_QUADS)
      glVertex3f(-@size,  @size, 0)
      glVertex3f( @size,  @size, 0)
      glVertex3f( @size, -@size, 0)
      glVertex3f(-@size, -@size, 0)
      glEnd

      glEndList()
      BlobStore.put(@size.to_s,list)
    end

    glCallList(BlobStore.get(@size.to_s))
  elsif @type == 2
    glTranslate(@x, @y, @z)
    glRasterPos(0.0, 0.0)

    engine.render_string(@message)
  end

  glPopMatrix()
end