21 lines
9 KiB
JavaScript
21 lines
9 KiB
JavaScript
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var RB={};
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RB.Scene=function(b,k){if(!b)throw"RB.Scene(canvasObject): You must specify a canvas object";k||(k=24);this.timeInterval=k;var n=document;this.ctx=b.getContext("2d");var d=[],m=null,u=!1,z=!1,s=!1,p=!1,v=!1,t=null,A=0,l=0,q=[],r=[],w=!1,x=0,a=0,y=0;this.genID=function(){return"RB_OBJECT"+y++};this.add=function(c){if(!c)throw"RB.Scene.add(o): the object you are trying to add to the scene doesn't exist.";d.push(c);c.collidable&&q.push(c);c.draggable&&r.push(c);return c};this.addLots=function(c){for(var i=0;i<
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c.length;i++)this.add(c[i])};this.remove=function(c){for(var c=c.getId(),i=d.length,a=r.length,h=q.length,e=0;e<i;e++)if(c==d[e].getId()){d.splice(e,1);break}for(e=0;e<h;e++)if(c==q[e].getId()){q.splice(e,1);break}for(e=0;e<a;e++)if(c==r[e].getId()){r.splice(e,1);break}};this.removeLots=function(c){for(var i=0;i<c.length;i++)this.remove(c[i])};this.removeAll=function(){var c=r.length,i=q.length;d.splice(0,d.length);q.splice(0,i);r.splice(0,c)};this.zIndex=function(c,i){var a=d.length,h=getIdByObject(c),
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e=h+i;e<0&&(e=0);e>=a&&(e=a-1);a=d[h];d[h]=d[e];d[e]=a};getObjectById=function(c){for(var a=d.length,f=0;f<a;f++)if(d[f].getId()==c)return o;return null};getIdByObject=function(c){for(var a=d.length,f=0;f<a;f++)if(d[f].getId()==c.getId())return f;return null};this.setMovableObject=function(c){m=typeof c=="object"?c.getId():c};this.getMovableObject=function(){return getObjectById(m)};var B=function(c,a){switch(c.keyCode){case 37:u=a;break;case 38:s=a;break;case 39:z=a;break;case 40:p=a}};this.onmousemove=
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function(){};this.onmousedown=function(){};this.onmouseup=function(){};this.onkeydown=function(){};this.onkeyup=function(){};var j=this;b.onmousemove=function(c){if(v&&t)t.x=RB.xPos(c)-A,t.y=RB.yPos(c)-l,w||j.update();j.onmousemove(c)};b.onmousedown=function(c){for(var a=r.length-1;a>=0;a--){var f=r[a];if(f.checkRange(RB.xPos(c),RB.yPos(c))){f.onmousedown(c);t=f;currentObjectIndex=a;A=RB.xPos(c)-t.x;l=RB.yPos(c)-t.y;v=!0;break}}j.onmousedown(c)};b.onmouseup=function(c){v=!1;j.onmouseup(c)};n.onkeydown=
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function(c){B(c,!0);j.onkeydown(c)};n.onkeyup=function(c){B(c,!1);j.onkeyup(c)};this.getObjectSize=function(){return d.length};this.getObj=function(c){return d[c]};this.rect=function(c,a,f,h,e){var h=h||this.genID(),h=RB.createCanvas(c,a,h),g=h.getContext("2d");if(f)g.fillStyle=RB.getFS(f,g,a),g.fillRect(0,0,c,a);if(e)f=e.lineWidth||1,g.lineWidth=e.lineWidth,g.strokeStyle=e.strokeStyle,g.rect(0+f,0+f,c-f-f,a-f-f),g.stroke();return rectObj=new RB.Obj(h,this.ctx)};this.image=function(c,i,f){var h=new Image,
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e=this,g=null;h.onload=function(){f=f||e.genID();g=RB.createCanvas(h.width,h.height,f);g.getContext("2d").drawImage(this,0,0);a++;var c=new RB.Obj(g,e.ctx);i(c)};h.src=c;x++};this.loadImage=function(c,i,f){var h=new Image,e=this,g=null;h.onload=function(){i=i||e.genID();g=RB.createCanvas(h.width,h.height,i);g.getContext("2d").drawImage(this,0,0);a++;f(g)};h.src=c;x++};this.imagePattern=function(c,i,f,h,e){var g=new Image,b=this;g.onload=function(){e=e||b.genID();var c=RB.createCanvas(i,f,e).getContext("2d"),
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d=c.createPattern(g,h);c.fillStyle=d;c.fillRect(0,0,i,f);a++;a==x&&b.doAfterLoad()};g.src=c;x++};this.roundRect=function(c,a,f,h,e,g){var e=e||this.genID(),e=RB.createCanvas(c,a,e),b=e.getContext("2d");b.beginPath();b.moveTo(0+f,0);b.lineTo(c+0-f,0);b.quadraticCurveTo(c+0,0,c+0,0+f);b.lineTo(c+0,a+0-f);b.quadraticCurveTo(c+0,0+a,c+0-f,0+a);b.lineTo(0+f,0+a);b.quadraticCurveTo(0,0+a,0,0+a-f);b.lineTo(0,0+f);b.quadraticCurveTo(0,0,0+f,0);b.closePath();if(h)b.fillStyle=RB.getFS(h,b,a),b.fill();if(g)b.lineWidth=
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g.lineWidth,b.strokeStyle=g.strokeStyle,b.stroke();return new RB.Obj(e,this.ctx)};this.text=function(a,b,f,h,e){var g=RB.getTextBuffer(),e=e||this.genID();g.innerHTML=a;g.style.fontFamily=b;g.style.fontSize=f+"px";var d=RB.el(e);d?(e=d.getContext("2d"),d.width=g.offsetWidth,d.height=g.offsetHeight+15,e.clearRect(0,0,g.offsetWidth,g.offsetHeight+15)):(d=RB.createCanvas(g.offsetWidth,g.offsetHeight+15,e),e=d.getContext("2d"));e.fillStyle=RB.getFS(h,e,g.offsetHeight+25);e.font="normal "+f+"px "+b;e.fillText(a,
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0,g.offsetHeight+5);return new RB.Obj(d,this.ctx)};this.start=function(){w=!0;this.animate()};this.stop=function(){w=!1};this.toggleStart=function(){w?this.stop():this.start()};this.onLoop=function(){};this.runOnce=function(){this.ctx.restore();for(var a=d.length,b=q.length,f=0;f<a;f++){var h=d[f];if(h.visible){h.run();if(h.collidable&&!h.obstacle)for(var e=0;e<b;e++){var g=q[e];if(h.getId()!=g.getId())if(g=h.checkCollision(g,!0),g.top||g.bottom||g.left||g.right){h.colliding=!0;h.collidingCoords=
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g;break}else h.colliding=!1,h.collidingCoords=null}e=u||z||p||s;if(h.getId()==m&&e){var B=g=e=!1,j=!1,y=h.collidingCoords;if(y)e=y.left,g=y.right,B=y.top,j=y.bottom;u&&!e&&h.left();z&&!g&&h.right();s&&!B&&h.up();p&&!j&&h.down()}}}this.ctx.save()};this.animate=function(){this.runOnce();this.onLoop();if(w){var a=this;setTimeout(function(){a.animate()},this.timeInterval)}};this.update=function(){for(var a=d.length,b=0;b<a;b++)d[b].run()};this.doAfterLoad=function(){}};
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RB.Obj=function(b,k,n,d){if(!k)throw"RB.Obj(c, sceneContext, _x, _y): You must specify a scene context";var m=Math.random(),u=k,z=null,s=null;this.h=this.w=this.y=this.x=0;if(n)this.x=n;if(d)this.y=d;this.w=b.width;this.h=b.height;this.onmousedown=function(){};this.visible=!0;this.colliding=this.obstacle=this.collidable=!1;var p=this.collidingCoords=null;this.draggable=!1;this.speedY=this.speedX=1;var v=null;this.spriteChangeInterval=1;var t=0,A=0;this.setCanvas=function(a){s=typeof a=="object"?a:
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RB.el(a);this.w=s.width;this.h=s.height};this.setCoords=function(a,b){this.x=a;this.y=b};this.setDimension=function(a,b){this.w=a;this.h=b};this.setCanvas(b);this.getCanvas=function(){return s};this.getId=function(){return m};this.setSCtx=function(a){u=a};this.getSCtx=function(){return u};this.setCtx=function(a){z=a};this.getCtx=function(){return z};this.setXY=function(a,b){this.x=a;this.y=b};this.setSpeed=function(a){this.speedY=this.speedX=a};this.getX2=function(){return this.x+this.w};this.getY2=
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function(){return this.y+this.h};this.fn=function(){this.draw()};this.run=function(){this.fn()};this.clone=function(){var a=new RB.Obj(b,u);a.x=this.x;a.y=this.y;a.w=this.w;a.h=this.h;a.collidable=this.collidable;a.obstacle=this.obstacle;a.fn=this.fn;a.speedX=this.speedX;a.speedY=this.speedY;a.setSprites(v,this.spriteChangeInterval);a.draggable=this.draggable;a.visible=this.visible;return a};this.draw=function(a,b){try{a&&b?u.drawImage(s,this.x,this.y,a,b):u.drawImage(s,this.x,this.y,this.w,this.h)}catch(d){throw d;
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}};this.up=function(a){this.y-=a||this.speedY;p="up"};this.down=function(a){this.y+=a||this.speedY;p="down"};this.left=function(a){this.x-=a||this.speedX;p="left"};this.right=function(a){this.x+=a||this.speedX;p="right"};this.setSprites=function(a,b){v=a;spriteChangeInterval=b};this.animateSprite=function(){t==spriteChangeInterval?(s=v[++A]?v[A]:v[A=0],t=0):t++};this.checkCollision=function(a,b){var d=a.x,j=a.y,c=a.getX2(),i=a.getY2();b&&(d-=this.speedX,j-=this.speedY,c+=this.speedX,i+=this.speedY);
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var f={top:!1,bottom:!1,left:!1,right:!1};if(p=="up")f.top=w(d,j,c,i),f.left=q(d,j,c,i),f.right=r(d,j,c,i);if(p=="down")f.bottom=x(d,j,c,i),f.left=q(d,j,c,i),f.right=r(d,j,c,i);if(p=="right")f.right=r(d,j,c,i),f.top=w(d,j,c,i),f.bottom=x(d,j,c,i);if(p=="left")f.left=q(d,j,c,i),f.top=w(d,j,c,i),f.bottom=x(d,j,c,i);return f};var l=this,q=function(a,b,d,j){a=l.y<j&&l.getY2()>b;d=l.x<d&&l.getX2()>d;return a&&d},r=function(a,b,d,j){b=l.y<j&&l.getY2()>b;a=l.getX2()>a&&l.getX2()<d;return b&&a},w=function(a,
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b,d,j){b=l.y<j&&l.getY2()>j;a=l.x<d&&l.getX2()>a;return b&&a},x=function(a,b,d,j){b=l.getY2()>b&&l.getY2()<j;a=l.x<d&&l.getX2()>a;return b&&a};this.checkRange=function(a,b){var d=a>=this.x&&a<=this.getX2(),j=b>=this.y&&b<=this.getY2();return d&&j}};RB.createTextBuffer=function(){var b=document,k=b.createElement("div");k.id="txtBuffer";k.style.position="absolute";k.style.width="auto";k.style.height="auto";k.style.padding="0px";k.style.visibility="hidden";b.body.appendChild(k)};
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RB.getTextBuffer=function(){RB.el("txtBuffer")||RB.createTextBuffer();return RB.el("txtBuffer")};RB.createCanvasLocation=null;RB.createCanvas=function(b,k,n){var d=document,m=d.createElement("canvas");m.width=b;m.height=k;m.id=n;m.style.display="none";RB.createCanvasLocation?RB.createCanvasLocation.appendChild(m):d.body.appendChild(m);return m};RB.destroyCanvas=function(b){var k=document,b=k.getElementById(b);k.body.removeChild(b)};RB.el=function(b){return document.getElementById(b)};
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RB.linearGradient=function(b,k){var n=k.createLinearGradient(0,5,0,b.h);csLen=b.colors.length;for(var d=0;d<csLen;d++){var m=b.colors[d];n.addColorStop(m.stopPoint,m.name)}return n};RB.getFS=function(b,k,n){if(typeof b=="object")return b.h=n,RB.linearGradient(b,k);return b};RB.rtImage=function(b,k,n){var d=new Image;d.onload=function(){var b=RB.createCanvas(d.width,d.height,k);b.getContext("2d").drawImage(this,0,0);n&&n(b)};d.src=b};
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RB.canvasSupport=function(b){if(b)try{return b.getContext("2d"),!0}catch(k){return!1}else return!1};RB.xPos=function(b){return b.pageX-b.target.offsetLeft};RB.yPos=function(b){return b.pageY-b.target.offsetTop};
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