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- (function()
- {
- var test_step = function(i)
- {
- var centerX = .5; // circle center x
- var centerY = .5; // circle center y
- var radius = .1; // circle radius
- var angle = Math.PI * i / 256; // arc angle
- var x = centerX + radius * Math.cos(angle);
- var y = centerX + radius * Math.sin(angle);
- if (i == 0)
- {
- xxx._map.moveTo(x, y);
- }
- else
- {
- xxx._map.lineTo(x, y);
- }
- xxx._map.setRotation(Math.PI * i / 128); // map rotation
- if (i < 256) // iteration control
- {
- setTimeout(test_step.bind(null, ++i), 5);
- };
- };
- test_step(0);
- })();
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