Draw one or multiple arcs at once.
dotsDrawableArcs uses an OpenGL utility ("GLU") to approximate arcs which fall along the circumference of a circle.
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Property | xCenter = 0 |
| | x-coordinate for the center of each arc's circles (degrees visual angle, centered)
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Property | yCenter = 0 |
| | y-coordinate for the center of each arc's circles (degrees visual angle, centered)
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Property | rInner = 4 |
| | radius of each arc's inner circle (degrees visual angle)
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Property | rOuter = 5 |
| | radius of each arc's outer circle (degrees visual angle)
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Property | startAngle = 0 |
| | where each arc starts along its circle (degrees counterclockwise from rightward)
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Property | sweepAngle = 2*pi |
| | how far all each arc sweeps along its circle (degrees counterclockwise from rightward)
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Property | nPieces = 30 |
| | how many segments make up each arc (same for all arcs)
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Property | x = 0 |
| | vertex x-positions (x, y, and z must be scalar or match sizes)
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Property | y = 0 |
| | vertex y-positions (x, y, and z must be scalar or match sizes)
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Property | z = 0 |
| | vertex z-positions (x, y, and z must be scalar or match sizes)
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| Property | colors = [1 1 1] |
| | color map to use for vertices [r g b a; r g b a; etc. More...
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Property | isColorByVertexGroup = false |
| | whether to color vertices in groups(true) or individually(false)
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| Property | indices = [] |
| | array of indices for selecting, reusing, and reordering vertices More...
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Property | pixelSize = 1 |
| | width in pixels for points or lines
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Property | isSmooth = false |
| | whether to use anti-aliasing for primitives
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| Property | primitive = 0 |
| | index to choose OpenGL vertex drawing mode More...
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| Property | usageHint = 3 |
| | index to choose usage "hint" for OpenGL buffers More...
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| Property | translation = [] |
| | optional translation to apply to vertex positions [tX tY tZ] More...
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| Property | rotation = [] |
| | optional rotation of vertices about coordinate axes [rX rY rZ] More...
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| Property | scaling = [] |
| | optional scaling to apply to vertex positions [sX sY sZ] More...
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Property | isVisible = true |
| | true or false, whether to draw() this object
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Property | verticesPerDisk |
| | how many vertices make up each arc (same for all arcs)
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Property | attribBufferInfo = [] |
| | identifier and other info for the OpenGL vertex attribute buffer
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Property | isAttribBufferStale = true |
| | whether or not the attribute buffer is out of date
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Property | indexBufferInfo = [] |
| | identifier and other info for the OpenGL vertex index buffer
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Property | isIndexBufferStale = true |
| | whether or not the index buffer is out of date
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Property | colorBufferInfo = [] |
| | identifier and other info for the OpenGL vertex color buffer
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Property | isColorBufferStale = true |
| | whether or not the color buffer is out of date
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Property | smoothMap |
| | map primitive integers to dotsMglSmoothness() switches
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self | dotsDrawableArcs () |
| | Constructor takes no arguments.
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| set_xCenter (self, xCenter) |
| | Keep track of disk changes.
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| set_yCenter (self, yCenter) |
| | Keep track of disk changes.
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| set_rInner (self, rInner) |
| | Keep track of disk changes.
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| set_rOuter (self, rOuter) |
| | Keep track of disk changes.
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| set_startAngle (self, startAngle) |
| | Keep track of disk changes.
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| set_sweepAngle (self, sweepAngle) |
| | Keep track of disk changes.
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| set_nPieces (self, nPieces) |
| | Keep track of disk changes.
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self | dotsDrawableVertices () |
| | Constructor takes no arguments.
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| | delete (self) |
| | Release OpenGL resources. More...
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| set_x (self, x) |
| | Keep track of required buffer updates.
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| set_y (self, y) |
| | Keep track of required buffer updates.
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| set_z (self, z) |
| | Keep track of required buffer updates.
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| set_indices (self, indices) |
| | Keep track of required buffer updates.
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| set_colors (self, colors) |
| | Keep track of required buffer updates.
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| set_isColorByVertexGroup (self, isColorByVertexGroup) |
| | Keep track of required buffer updates.
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nVertices | getNVertices (self) |
| | Calculate number of vertices from x, y, and z.
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| prepareToDrawInWindow (self) |
| | Create fresh OpenGL buffer objects.
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| draw (self) |
| | Draw vertices from OpenGL buffer objects.
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self | dotsDrawable () |
| | Constructor takes no arguments.
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| prepareToDrawInWindow (self) |
| | Do any pre-draw setup that requires an OpenGL drawing window.
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| mayDrawNow (self) |
| | Draw() or not, depending on isVisible and possibly other factors.
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| draw (self) |
| | Subclass must redefine draw() to draw graphics.
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| show (self) |
| | Shorthand to set isVisible=true.
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| hide (self) |
| | Shorthand to set isVisible=false.
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Properties and Events inherited from dotsDrawableVertices