Mercurial > MadButterfly
view nodejs/animate.js @ 1223:ec964cf4c993
merge
author | Thinker K.F. Li <thinker@codemud.net> |
---|---|
date | Thu, 06 Jan 2011 09:39:47 +0800 |
parents | 4072a302b207 |
children | c028aa928cc8 |
line wrap: on
line source
// -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*- // vim: sw=4:ts=8:sts=4 var sys=require("sys"); /* * This is configuration for animate module. For slower or speeder * machines, ffs can be decreased or increased respective. */ var ffs = 12; var frame_interval = 1000 / ffs; function shift_draw(percent) { var x, y; x = (this.targetx - this.startposx) * percent + this.startposx; y = (this.targety - this.startposy) * percent + this.startposy; this.obj.center.move(x, y); this._app.refresh(); } function shift(app,obj,shiftx,shifty) { obj.animated_shift = this; this._app = app; this.obj = obj; this.end = 0; this.targetx = shiftx + obj.center.x; this.targety = shifty + obj.center.y; this.startposx = obj.center.x; this.startposy = obj.center.y; } exports.shift = shift; shift.prototype.draw = shift_draw; /* ------------------------------------------------------------ */ function rotate(app, obj, ang, duration) { this._app = app; this._obj = obj; this._ang = ang; this._start_mtx = [obj[0], obj[1], obj[2], obj[3], obj[4], obj[5]]; } function rotate_draw(percent) { var percent; var ang; var sv, cv; var obj = this._obj; var mtx, shift; ang = percent * this._ang; sv = Math.sin(ang); cv = Math.cos(ang); mtx = [cv, -sv, 0, sv, cv, 0]; shift = [1, 0, -obj.center.x, 0, 1, -obj.center.y]; mtx = multiply(mtx, shift); shift = [1, 0, obj.center.x, 0, 1, obj.center.y]; mtx = multiply(shift, mtx); mtx = multiply(mtx, this._start_mtx); obj[0] = mtx[0]; obj[1] = mtx[1]; obj[2] = mtx[2]; obj[3] = mtx[3]; obj[4] = mtx[4]; obj[5] = mtx[5]; this._app.refresh(); } rotate.prototype.draw = rotate_draw; exports.rotate = rotate; function multiply(s,d) { var m=[]; m[0] = s[0]*d[0]+s[1]*d[3]; m[1] = s[0]*d[1]+s[1]*d[4]; m[2] = s[0]*d[2]+s[1]*d[5]+s[2]; m[3] = s[3]*d[0]+s[4]*d[3]; m[4] = s[3]*d[1]+s[4]*d[4]; m[5] = s[3]*d[2]+s[4]*d[5]+s[5]; return m; } function scale_draw(percent) { if (this.end==1) { percent = 1; } var sx = 1 + (this.totalsx - 1) * percent; var sy = 1 + (this.totalsy - 1) * percent; var sh1 = [1, 0, -this.center_x, 0, 1, -this.center_y]; var sh2 = [1, 0, this.center_x, 0, 1, this.center_y]; sys.puts("sc="+sx+" sy="+sy); var scale = [sx, 0, 0, 0, sy, 0]; var obj = this.obj; var mtx; mtx = multiply(scale, sh1); mtx = multiply(sh2, mtx); mtx = multiply(this.orig_mtx, mtx); obj[0] = mtx[0]; obj[1] = mtx[1]; obj[2] = mtx[2]; obj[3] = mtx[3]; obj[4] = mtx[4]; obj[5] = mtx[5]; this.app.refresh(); } function scale(app, obj, fact_x, fact_y, duration) { var bbox; try { if (obj.animated_scale) { obj.animated_scale.end = 1; } } catch(e) { } bbox = obj.bbox; bbox.update(); obj.animated_scale = this; this.app = app; this.obj = obj; this.end = 0; this.starttime = Date.now(); this.totalsx = fact_x * bbox.orig.width / bbox.width; this.totalsy = fact_y * bbox.orig.height / bbox.height; this.duration = duration*1000; this.center_x = obj.center.rel.x; this.center_y = obj.center.rel.y; this.orig_mtx = [obj[0], obj[1], obj[2], obj[3], obj[4], obj[5]]; } exports.scale = scale; scale.prototype.draw = scale_draw; function holder(app, coord) { var mtx = [coord[0], coord[1], coord[2], coord[3], coord[4], coord[5]]; this._mtx = mtx; this._coord = coord; this._app = app; } holder.prototype = { go: function(pos) { var sx, sy; sx = pos.x - this._coord.center.x; sy = pos.y - this._coord.center.y; this.shift(sx, sy); }, go_center: function(o) { this.go(o.center); }, home: function() { this._coord[2] = this._mtx[2]; this._coord[5] = this._mtx[5]; this._app.refresh(); }, shift: function(sx, sy) { this._coord[2] = this._mtx[2] + sx; this._coord[5] = this._mtx[5] + sy; this._app.refresh(); } }; exports.holder = holder; function alpha_draw(percent) { if (this.end == 1) return; var sx = (this.targetalpha-this.startalpha)*percent+this.startalpha; this.obj.opacity=sx; this.app.refresh(); this.obj.animated_alpha = null; } function alpha(app,obj,alpha, duration) { try { if (obj.animated_alpha) { obj.animated_alpha.end = 1; } } catch(e) { } obj.animated_alpha = this; this.app = app; this.obj = obj; this.end = 0; this.starttime = Date.now(); this.startalpha = obj.opacity; this.targetalpha = alpha; this.duration = duration*1000; } alpha.prototype.draw = alpha_draw; exports.alpha = alpha; function linear_update() { var now = Date.now(); var i; if (now >= this.end) { this.timer.stop(); now = this.end; if (this.callback_end) { this.callback_end(); this.callback_end=null; } } if (now < this.startmove) return; var per = (now-this.startmove)/this.duration/1000; if (per > 1) per = 1; this.action.draw(per); } function linear_start() { var self = this; if (this.timer) this.timer.stop(); this.timer = setInterval(function() { self.update();}, frame_interval); this.startmove = Date.now()+this.starttime*1000; this.end = this.startmove+this.duration*1000; } function linear_stop() { if (this.timer) { this.timer.stop(); this.timer = null; } } function linear_finish() { this.action.draw(1); if (this.callback_end) { this.callback_end(); this.callback_end=null; } } function linear(action,start, duration) { this.action = action; this.duration = duration; this.starttime = start; this.callback_end = null; this.timer=null; } function linear_callback(cb) { this.callback_end = cb; } linear.prototype.update = linear_update; linear.prototype.start = linear_start; linear.prototype.stop = linear_stop; linear.prototype.finish = linear_finish; linear.prototype.callbackAtEnd = linear_callback; exports.linear = linear; function multilinear_update() { } function multilinear_start() { } function multilinear_stop() { } function multilinear_finish() { } function multilinear(action,start,stages) { sys.puts("Multilinear word is not implemented yet"); } exports.multilinear = multilinear; multilinear.prototype.update = multilinear_update; multilinear.prototype.start = multilinear_start; multilinear.prototype.stop = multilinear_stop; multilinear.prototype.finish = multilinear_finish; function exponential_update() { } function exponential_start() { } function exponential_stop() { } function exponential_finish() { } function exponential(action,start,stages) { sys.puts("exponential word is not implemented yet"); } exports.exponential = exponential; exponential.prototype.update = exponential_update; exponential.prototype.start = exponential_start; exponential.prototype.stop = exponential_stop; exponential.prototype.finish = exponential_finish; function program(words) { this.words = wrods; } program.prototype.start=function() { for(w in this.words) { w.start(); } } program.prototype.step=function(s) { sys.puts("This function is not implemented yet"); } program.prototype.stop=function() { for(w in this.words) { w.stop(); } } program.prototype.finish=function() { for(w in this.words) { w.finish(); } } exports.run = function(actions,start,duration,cb) { var li; for(a in actions) { li = new linear(actions[a],start,duration); li.start(); } li.callbackAtEnd(cb); } exports.runexp=function(actions,start,exp) { sys.puts("This function is not implemented yet"); }