c++实现下雪效果

[{"title":"（ 33 个子文件 2.87MB ） c++实现下雪效果","children":[{"title":"CH4-8","children":[{"title":"CANVAS.DSW <span style='color:#111;'> 537B </span>","children":null,"spread":false},{"title":"CANVASR.APS <span style='color:#111;'> 16.28KB </span>","children":null,"spread":false},{"title":"MASK.BMP <span style='color:#111;'> 630B </span>","children":null,"spread":false},{"title":"canvas.dsp <span style='color:#111;'> 4.04KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"vc60.pdb <span style='color:#111;'> 52.00KB </span>","children":null,"spread":false},{"title":"canvas.pch <span style='color:#111;'> 3.60MB </span>","children":null,"spread":false},{"title":"canvas.ilk <span style='color:#111;'> 1.64MB </span>","children":null,"spread":false},{"title":"vc60.idb <span style='color:#111;'> 129.00KB </span>","children":null,"spread":false},{"title":"canvasr.res <span style='color:#111;'> 32B </span>","children":null,"spread":false},{"title":"canvasApp.sbr <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"canvasFrame.obj <span style='color:#111;'> 30.99KB </span>","children":null,"spread":false},{"title":"canvasFrame.sbr <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"canvas.pdb <span style='color:#111;'> 2.59MB </span>","children":null,"spread":false},{"title":"canvasApp.obj <span style='color:#111;'> 14.69KB </span>","children":null,"spread":false},{"title":"canvas.bsc <span style='color:#111;'> 2.24MB </span>","children":null,"spread":false},{"title":"canvas.exe <span style='color:#111;'> 1.27MB </span>","children":null,"spread":false}],"spread":false},{"title":"SNOW.BMP <span style='color:#111;'> 630B </span>","children":null,"spread":false},{"title":"STDAFX.H <span style='color:#111;'> 38B </span>","children":null,"spread":false},{"title":"CANVASAPP.CPP <span style='color:#111;'> 744B </span>","children":null,"spread":false},{"title":"CANVASAPP.H <span style='color:#111;'> 554B </span>","children":null,"spread":false},{"title":"CANVAS.NCB <span style='color:#111;'> 137.00KB </span>","children":null,"spread":false},{"title":"CANVASR.RC <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"SNOW1.bmp <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"CANVASR.H <span style='color:#111;'> 411B </span>","children":null,"spread":false},{"title":"Canvasframe.cpp <span style='color:#111;'> 4.95KB </span>","children":null,"spread":false},{"title":"MASK2.bmp <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"SNOW2.bmp <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"BGROUND.BMP <span style='color:#111;'> 1.33MB </span>","children":null,"spread":false},{"title":"CANVASFRAME.H <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"CANVASR.CLW <span style='color:#111;'> 442B </span>","children":null,"spread":false},{"title":"CANVAS.PLG <span style='color:#111;'> 246B </span>","children":null,"spread":false},{"title":"CANVAS.OPT <span style='color:#111;'> 52.50KB </span>","children":null,"spread":false},{"title":"MASK1.bmp <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]