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103 lines
2.4 KiB
103 lines
2.4 KiB
2 years ago
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/*
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DynAPI Distribution
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ImageAnimation Class
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The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
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requires: Thread
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*/
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function ImageAnimation(dynimage) {
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this.Thread = Thread;
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this.Thread(dynimage);
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this.imgAnim = new Array();
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this.imgAnim.playing = null;
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}
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var p = dynapi.setPrototype('ImageAnimation','Thread');
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p.addAnimation = function (imgArray) {
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var animNum = this.imgAnim.length;
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this.imgAnim[animNum] = imgArray;
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this.imgAnim[animNum].loops = false;
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this.imgAnim[animNum].resets = false;
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this.imgAnim[animNum].frame = 0;
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this.imgAnim[animNum].playing = true;
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this.imgAnim[animNum].direction = 0;
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this.imgAnim[animNum].alternates = false;
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return animNum;
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};
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p.getFrame = function (animNum,frameNum) {
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return this.imgAnim[animNum][frameNum];
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};
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p.setLoops = function (animNum,loop) {
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this.imgAnim[animNum].loops = loop;
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};
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p.setResets = function (animNum) {
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this.imgAnim[animNum].resets = true;
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};
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p.setAlternates = function (animNum,alt) {
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this.imgAnim[animNum].loops = true;
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this.imgAnim[animNum].alternates = alt;
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};
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p.playAnimation = function (animNum) {
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if (animNum!=null && this.imgAnim.playing!=animNum) {
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this.playing = true;
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this.imgAnim.playing = animNum;
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if (this.dlyr!=null) this.dlyr.invokeEvent("imgstart");
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this.start();
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}
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};
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p.stopAnimation = function () {
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this.imgAnim.playing = null;
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this.playing = false;
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this.stop();
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if (this.dlyr!=null) this.dlyr.invokeEvent("imgrun");
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};
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p.run = function () {
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if (!this.playing || this.imgAnim.playing==null || this.dlyr==null) return;
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var anim = this.imgAnim[this.imgAnim.playing];
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if (anim.frame==0 && this.img==anim[anim.frame]) {
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anim.frame++; // skip 1st frame if same
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}
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if (this.dlyr!=null) this.dlyr.invokeEvent("imgrun");
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this.dlyr.setImage(anim[anim.frame]);
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if (anim.frame>=anim.length-1) {
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if (anim.loops) {
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if (anim.alternates && anim.direction==0 && anim.frame==anim.length-1) {
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anim.direction = 1;
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anim.frame = anim.length-2;
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}
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else anim.frame = 0;
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}
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else if (anim.resets) {
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anim.frame = 0;
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this.stop();
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}
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else {
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this.stop();
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}
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}
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else {
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if (anim.alternates) {
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if (anim.frame==0 && anim.direction==1) {
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anim.direction = 0;
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anim.frame = 1;
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}
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else if (anim.direction==0) {
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anim.frame++;
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}
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else if (anim.direction==1) {
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anim.frame--;
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}
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}
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else {
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anim.frame++;
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}
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}
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};
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