OLD | NEW |
1 var sunflower; | 1 var sunflower; |
2 (function(exports) { | 2 (function(exports) { |
3 'use strict'; | 3 'use strict'; |
4 let ORANGE = "orange"; | 4 let ORANGE = "orange"; |
5 let SEED_RADIUS = 2; | 5 let SEED_RADIUS = 2; |
6 let SCALE_FACTOR = 4; | 6 let SCALE_FACTOR = 4; |
7 let TAU = dart.notNull(math.PI) * 2; | 7 let TAU = dart.notNull(math.PI) * 2; |
8 let MAX_D = 300; | 8 let MAX_D = 300; |
9 let centerX = dart.notNull(MAX_D) / 2; | 9 let centerX = dart.notNull(MAX_D) / 2; |
10 let centerY = centerX; | 10 let centerY = centerX; |
(...skipping 11 matching lines...) Expand all Loading... |
22 }, | 22 }, |
23 get PHI() { | 23 get PHI() { |
24 return (dart.notNull(math.sqrt(5)) + 1) / 2; | 24 return (dart.notNull(math.sqrt(5)) + 1) / 2; |
25 }, | 25 }, |
26 get context() { | 26 get context() { |
27 return dart.as(dart.as(querySelector("#canvas"), dom.CanvasElement).getCon
text('2d'), dom.CanvasRenderingContext2D); | 27 return dart.as(dart.as(querySelector("#canvas"), dom.CanvasElement).getCon
text('2d'), dom.CanvasRenderingContext2D); |
28 } | 28 } |
29 }); | 29 }); |
30 // Function main: () → void | 30 // Function main: () → void |
31 function main() { | 31 function main() { |
32 exports.slider.addEventListener('change', dart.as(e => draw(), dom.EventList
ener)); | 32 exports.slider.addEventListener('change', e => draw()); |
33 draw(); | 33 draw(); |
34 } | 34 } |
35 // Function draw: () → void | 35 // Function draw: () → void |
36 function draw() { | 36 function draw() { |
37 exports.seeds = core.int.parse(exports.slider.value); | 37 exports.seeds = core.int.parse(exports.slider.value); |
38 exports.context.clearRect(0, 0, MAX_D, MAX_D); | 38 exports.context.clearRect(0, 0, MAX_D, MAX_D); |
39 for (let i = 0; dart.notNull(i) < dart.notNull(exports.seeds); i = dart.notN
ull(i) + 1) { | 39 for (let i = 0; dart.notNull(i) < dart.notNull(exports.seeds); i = dart.notN
ull(i) + 1) { |
40 let theta = dart.notNull(i) * dart.notNull(TAU) / dart.notNull(exports.PHI
); | 40 let theta = dart.notNull(i) * dart.notNull(TAU) / dart.notNull(exports.PHI
); |
41 let r = dart.notNull(math.sqrt(i)) * dart.notNull(SCALE_FACTOR); | 41 let r = dart.notNull(math.sqrt(i)) * dart.notNull(SCALE_FACTOR); |
42 let x = dart.notNull(centerX) + dart.notNull(r) * dart.notNull(math.cos(th
eta)); | 42 let x = dart.notNull(centerX) + dart.notNull(r) * dart.notNull(math.cos(th
eta)); |
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
85 exports.MAX_D = MAX_D; | 85 exports.MAX_D = MAX_D; |
86 exports.centerX = centerX; | 86 exports.centerX = centerX; |
87 exports.centerY = centerY; | 87 exports.centerY = centerY; |
88 exports.querySelector = querySelector; | 88 exports.querySelector = querySelector; |
89 exports.main = main; | 89 exports.main = main; |
90 exports.draw = draw; | 90 exports.draw = draw; |
91 exports.SunflowerSeed = SunflowerSeed; | 91 exports.SunflowerSeed = SunflowerSeed; |
92 exports.Circle = Circle; | 92 exports.Circle = Circle; |
93 exports.CirclePainter = CirclePainter; | 93 exports.CirclePainter = CirclePainter; |
94 })(sunflower || (sunflower = {})); | 94 })(sunflower || (sunflower = {})); |
OLD | NEW |