Judul : Simple Animation with Javascript and Css
link : Simple Animation with Javascript and Css
Simple Animation with Javascript and Css
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We can use simple animation using css and javascript.
1. First Create simple Div for placing image and the frame.
<div id="stage">
<div id="j" class="character"></div>
<div id="j2" class="character"></div>
<div id="j3" class="character"></div>
<div id="j4" class="character"></div>
</div>
2. Now Create css file for the Image and placeholder. You can create a inline css or external css file. Inline css can be created in same file using <style> tag.
<style>
#stage {
background-color:#cccccc;
border:1px solid black;
height:170px;
width:600px;
position:relative;
z-index:0;
-webkit-user-select: none;
}
.character {
height:50px;
width:40px;
position:absolute;
top:120px;
background-repeat:no-repeat;
background-position:0 0;
-webkit-user-select: none;
}
#j {
left:100px;
background-image: url('j.png');
}
#j2 {
left:200px;
background-image: url('j.png');
}
#j3 {
left:300px;
background-image: url('j.png');
}
#j4 {
left:400px;
background-image: url('j.png');
}
</style>
3. Now the main part of the animation is to be done. This can be done using the JavaScript. The <script> tag is used to place JavaScript in html page.
<script>
var RobotMaker = function (robot, run_speed, jump_height) {
var stage = document.getElementById('stage');
var run_timer, jump_timer;
var face_right = true;
var mouseX;
var running_dir = '';
var x = 0;
var y = 0;
function find_stage_offset (el){
x = el.offsetLeft;
y = el.offsetTop;
el = el.offsetParent;
while(el !== null) {
x = parseInt(x) + parseInt(el.offsetLeft);
y = parseInt(y) + parseInt(el.offsetTop);
el = el.offsetParent;
}
return {xpos: x, ypos: y};
}
var stageOffset = find_stage_offset(stage);
function run_r(phase, left){
face_right = true;
running_dir = 'r';
if ((left + (15 * run_speed)) < (mouseX - robot.offsetWidth)){
left = left + (15 * run_speed);
robot.style.left = left+"px";
switch (phase){
case 1:
robot.style.backgroundPosition = "-40px 0px";
run_timer = setTimeout(function(){run_r(2, left);}, 200);
break;
case 2:
robot.style.backgroundPosition = "-80px 0px";
run_timer = setTimeout(function(){run_r(3, left);}, 200);
break;
case 3:
robot.style.backgroundPosition = "-120px 0px";
run_timer = setTimeout(function(){run_r(4, left);}, 200);
break;
case 4:
robot.style.backgroundPosition = "-80px 0px";
run_timer = setTimeout(function(){run_r(1, left);}, 200);
break;
}
} else if ((left + (15 * run_speed)) < mouseX) {
robot.style.backgroundPosition = "0px 0px";
running_dir = '';
} else {
running_dir = 'l';
run_l(1, robot.offsetLeft);
}
}
function run_l(phase, left){
face_right = false;
running_dir = 'l';
if (mouseX < robot.offsetLeft - (15 * run_speed)){
left = left - (15 * run_speed);
robot.style.left = left+"px";
switch (phase){
case 1:
robot.style.backgroundPosition = "-40px -50px";
run_timer = setTimeout(function(){run_l(2, left);}, 200);
break;
case 2:
robot.style.backgroundPosition = "-80px -50px";
run_timer = setTimeout(function(){run_l(3, left);}, 200);
break;
case 3:
robot.style.backgroundPosition = "-120px -50px";
run_timer = setTimeout(function(){run_l(4, left);}, 200);
break;
case 4:
robot.style.backgroundPosition = "-80px -50px";
run_timer = setTimeout(function(){run_l(1, left);}, 200);
break;
}
} else if (mouseX < (robot.offsetLeft + robot.offsetWidth - (15 * run_speed))){
robot.style.backgroundPosition = "0px -50px";
running_dir = '';
} else {
running_dir = 'r';
run_r(1, robot.offsetLeft);
}
}
function jmp(up, top){
running_dir = '';
if (face_right){
robot.style.backgroundPosition = "-160px 0px";
} else {
robot.style.backgroundPosition = "-160px -50px";
}
if (up && (robot.offsetTop > (20 * (1 / jump_height)))){
top = top - (top * 0.1);
robot.style.top = top+"px";
jump_timer = setTimeout(function(){jmp(up, top);}, 60);
} else if (up) {
up = false;
jump_timer = setTimeout(function(){jmp(up, top);}, 60);
} else if (!up && (robot.offsetTop < 115)){
top = top + (top * 0.1);
robot.style.top = top+"px";
jump_timer = setTimeout(function(){jmp(up, top);}, 60);
} else {
robot.style.top = "120px";
if (face_right){
robot.style.backgroundPosition = "0px 0px";
} else {
robot.style.backgroundPosition = "0px -50px";
}
jump_timer = false;
if (mouseX !== undefined){
if (((robot.offsetLeft + (15 * run_speed)) < (mouseX - robot.offsetWidth)) && running_dir !== 'r'){
// make run right, if not already
running_dir = 'r';
clearTimeout(run_timer);
run_r(1, robot.offsetLeft);
} else if ((mouseX < robot.offsetLeft - (15 * run_speed)) && running_dir !== 'l') {
// make run left, if not already
running_dir = 'l';
clearTimeout(run_timer);
run_l(1, robot.offsetLeft);
}
}
}
}
function stage_mousemove_listener(e){
if (e.touches){
e.preventDefault();
if ((e.touches[0].pageX > stageOffset.xpos)
&& (e.touches[0].pageX < (stageOffset.xpos + stage.offsetWidth))
&& (e.touches[0].pageY > stageOffset.ypos)
&& (e.touches[0].pageY < (stageOffset.ypos + stage.offsetHeight))){
mouseX = e.touches[0].pageX - stageOffset.xpos;
} else {
stage_mouseout_listener();
}
if ((e.touches[0].pageX > robot.offsetLeft) && (e.touches[0].pageX < (robot.offsetLeft + robot.offsetWidth))
&& (e.touches[0].pageY > (stageOffset.ypos + stage.offsetHeight - robot.offsetHeight))
&& (e.touches[0].pageY < (stageOffset.ypos + stage.offsetHeight))
&& (!jump_timer || jump_timer === undefined)){
clearTimeout(run_timer);
jmp(true, robot.offsetTop);
}
} else {
var posX = 0;
if (!e){
var e = window.event;
}
if (e.pageX) {
posX = e.pageX;
} else if (e.clientX) {
posX = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
}
mouseX = posX - stageOffset.xpos;
}
if (((robot.offsetLeft + (15 * run_speed)) < (mouseX - robot.offsetWidth)) && running_dir !== 'r' && (!jump_timer || jump_timer === undefined)){
running_dir = 'r';
clearTimeout(run_timer);
run_r(1, robot.offsetLeft);
} else if ((mouseX < robot.offsetLeft - (15 * run_speed)) && running_dir !== 'l' && (!jump_timer || jump_timer === undefined)) {
running_dir = 'l';
clearTimeout(run_timer);
run_l(1, robot.offsetLeft);
} else if ((robot.offsetLeft < mouseX) && ((robot.offsetLeft + robot.offsetWidth) > mouseX) && running_dir !== '' && (!jump_timer || jump_timer === undefined)) {
running_dir = '';
clearTimeout(run_timer);
if (face_right){
robot.style.backgroundPosition = "0px 0px";
} else {
robot.style.backgroundPosition = "0px -50px";
}
}
}
function robot_mouseover_listener(){
if (!jump_timer || jump_timer === undefined){
clearTimeout(run_timer);
jmp(true, robot.offsetTop);
}
}
function stage_mouseout_listener(){
mouseX = undefined;
running_dir = '';
if (!jump_timer || jump_timer === undefined){
clearTimeout(run_timer);
if (face_right){
robot.style.backgroundPosition = "0px 0px";
} else {
robot.style.backgroundPosition = "0px -50px";
}
}
}
(function (){
if (stage.addEventListener){
stage.addEventListener('touchstart', stage_mousemove_listener, false);
stage.addEventListener('touchmove', stage_mousemove_listener, false);
stage.addEventListener('touchend', stage_mouseout_listener, false);
stage.addEventListener('mousemove', stage_mousemove_listener, false);
robot.addEventListener('mouseover', robot_mouseover_listener, false);
stage.addEventListener('mouseout', stage_mouseout_listener, false);
} else {
stage.attachEvent('onmousemove', stage_mousemove_listener);
robot.attachEvent('onmouseover', robot_mouseover_listener);
stage.attachEvent('onmouseout', stage_mouseout_listener);
}
})();
};
(function(){
var j = RobotMaker(document.getElementById('j'), 1, 1);
var j2 = RobotMaker(document.getElementById('j2'), .8, 5);
var j3 = RobotMaker(document.getElementById('j3'), 1.1, .5);
var j4 = RobotMaker(document.getElementById('j4'), .5, .75);
})();
</script>
We can use simple animation using css and javascript.
1. First Create simple Div for placing image and the frame.
<div id="stage">
<div id="j" class="character"></div>
<div id="j2" class="character"></div>
<div id="j3" class="character"></div>
<div id="j4" class="character"></div>
</div>
2. Now Create css file for the Image and placeholder. You can create a inline css or external css file. Inline css can be created in same file using <style> tag.
<style>
#stage {
background-color:#cccccc;
border:1px solid black;
height:170px;
width:600px;
position:relative;
z-index:0;
-webkit-user-select: none;
}
.character {
height:50px;
width:40px;
position:absolute;
top:120px;
background-repeat:no-repeat;
background-position:0 0;
-webkit-user-select: none;
}
#j {
left:100px;
background-image: url('j.png');
}
#j2 {
left:200px;
background-image: url('j.png');
}
#j3 {
left:300px;
background-image: url('j.png');
}
#j4 {
left:400px;
background-image: url('j.png');
}
</style>
3. Now the main part of the animation is to be done. This can be done using the JavaScript. The <script> tag is used to place JavaScript in html page.
<script>
var RobotMaker = function (robot, run_speed, jump_height) {
var stage = document.getElementById('stage');
var run_timer, jump_timer;
var face_right = true;
var mouseX;
var running_dir = '';
var x = 0;
var y = 0;
function find_stage_offset (el){
x = el.offsetLeft;
y = el.offsetTop;
el = el.offsetParent;
while(el !== null) {
x = parseInt(x) + parseInt(el.offsetLeft);
y = parseInt(y) + parseInt(el.offsetTop);
el = el.offsetParent;
}
return {xpos: x, ypos: y};
}
var stageOffset = find_stage_offset(stage);
function run_r(phase, left){
face_right = true;
running_dir = 'r';
if ((left + (15 * run_speed)) < (mouseX - robot.offsetWidth)){
left = left + (15 * run_speed);
robot.style.left = left+"px";
switch (phase){
case 1:
robot.style.backgroundPosition = "-40px 0px";
run_timer = setTimeout(function(){run_r(2, left);}, 200);
break;
case 2:
robot.style.backgroundPosition = "-80px 0px";
run_timer = setTimeout(function(){run_r(3, left);}, 200);
break;
case 3:
robot.style.backgroundPosition = "-120px 0px";
run_timer = setTimeout(function(){run_r(4, left);}, 200);
break;
case 4:
robot.style.backgroundPosition = "-80px 0px";
run_timer = setTimeout(function(){run_r(1, left);}, 200);
break;
}
} else if ((left + (15 * run_speed)) < mouseX) {
robot.style.backgroundPosition = "0px 0px";
running_dir = '';
} else {
running_dir = 'l';
run_l(1, robot.offsetLeft);
}
}
function run_l(phase, left){
face_right = false;
running_dir = 'l';
if (mouseX < robot.offsetLeft - (15 * run_speed)){
left = left - (15 * run_speed);
robot.style.left = left+"px";
switch (phase){
case 1:
robot.style.backgroundPosition = "-40px -50px";
run_timer = setTimeout(function(){run_l(2, left);}, 200);
break;
case 2:
robot.style.backgroundPosition = "-80px -50px";
run_timer = setTimeout(function(){run_l(3, left);}, 200);
break;
case 3:
robot.style.backgroundPosition = "-120px -50px";
run_timer = setTimeout(function(){run_l(4, left);}, 200);
break;
case 4:
robot.style.backgroundPosition = "-80px -50px";
run_timer = setTimeout(function(){run_l(1, left);}, 200);
break;
}
} else if (mouseX < (robot.offsetLeft + robot.offsetWidth - (15 * run_speed))){
robot.style.backgroundPosition = "0px -50px";
running_dir = '';
} else {
running_dir = 'r';
run_r(1, robot.offsetLeft);
}
}
function jmp(up, top){
running_dir = '';
if (face_right){
robot.style.backgroundPosition = "-160px 0px";
} else {
robot.style.backgroundPosition = "-160px -50px";
}
if (up && (robot.offsetTop > (20 * (1 / jump_height)))){
top = top - (top * 0.1);
robot.style.top = top+"px";
jump_timer = setTimeout(function(){jmp(up, top);}, 60);
} else if (up) {
up = false;
jump_timer = setTimeout(function(){jmp(up, top);}, 60);
} else if (!up && (robot.offsetTop < 115)){
top = top + (top * 0.1);
robot.style.top = top+"px";
jump_timer = setTimeout(function(){jmp(up, top);}, 60);
} else {
robot.style.top = "120px";
if (face_right){
robot.style.backgroundPosition = "0px 0px";
} else {
robot.style.backgroundPosition = "0px -50px";
}
jump_timer = false;
if (mouseX !== undefined){
if (((robot.offsetLeft + (15 * run_speed)) < (mouseX - robot.offsetWidth)) && running_dir !== 'r'){
// make run right, if not already
running_dir = 'r';
clearTimeout(run_timer);
run_r(1, robot.offsetLeft);
} else if ((mouseX < robot.offsetLeft - (15 * run_speed)) && running_dir !== 'l') {
// make run left, if not already
running_dir = 'l';
clearTimeout(run_timer);
run_l(1, robot.offsetLeft);
}
}
}
}
function stage_mousemove_listener(e){
if (e.touches){
e.preventDefault();
if ((e.touches[0].pageX > stageOffset.xpos)
&& (e.touches[0].pageX < (stageOffset.xpos + stage.offsetWidth))
&& (e.touches[0].pageY > stageOffset.ypos)
&& (e.touches[0].pageY < (stageOffset.ypos + stage.offsetHeight))){
mouseX = e.touches[0].pageX - stageOffset.xpos;
} else {
stage_mouseout_listener();
}
if ((e.touches[0].pageX > robot.offsetLeft) && (e.touches[0].pageX < (robot.offsetLeft + robot.offsetWidth))
&& (e.touches[0].pageY > (stageOffset.ypos + stage.offsetHeight - robot.offsetHeight))
&& (e.touches[0].pageY < (stageOffset.ypos + stage.offsetHeight))
&& (!jump_timer || jump_timer === undefined)){
clearTimeout(run_timer);
jmp(true, robot.offsetTop);
}
} else {
var posX = 0;
if (!e){
var e = window.event;
}
if (e.pageX) {
posX = e.pageX;
} else if (e.clientX) {
posX = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
}
mouseX = posX - stageOffset.xpos;
}
if (((robot.offsetLeft + (15 * run_speed)) < (mouseX - robot.offsetWidth)) && running_dir !== 'r' && (!jump_timer || jump_timer === undefined)){
running_dir = 'r';
clearTimeout(run_timer);
run_r(1, robot.offsetLeft);
} else if ((mouseX < robot.offsetLeft - (15 * run_speed)) && running_dir !== 'l' && (!jump_timer || jump_timer === undefined)) {
running_dir = 'l';
clearTimeout(run_timer);
run_l(1, robot.offsetLeft);
} else if ((robot.offsetLeft < mouseX) && ((robot.offsetLeft + robot.offsetWidth) > mouseX) && running_dir !== '' && (!jump_timer || jump_timer === undefined)) {
running_dir = '';
clearTimeout(run_timer);
if (face_right){
robot.style.backgroundPosition = "0px 0px";
} else {
robot.style.backgroundPosition = "0px -50px";
}
}
}
function robot_mouseover_listener(){
if (!jump_timer || jump_timer === undefined){
clearTimeout(run_timer);
jmp(true, robot.offsetTop);
}
}
function stage_mouseout_listener(){
mouseX = undefined;
running_dir = '';
if (!jump_timer || jump_timer === undefined){
clearTimeout(run_timer);
if (face_right){
robot.style.backgroundPosition = "0px 0px";
} else {
robot.style.backgroundPosition = "0px -50px";
}
}
}
(function (){
if (stage.addEventListener){
stage.addEventListener('touchstart', stage_mousemove_listener, false);
stage.addEventListener('touchmove', stage_mousemove_listener, false);
stage.addEventListener('touchend', stage_mouseout_listener, false);
stage.addEventListener('mousemove', stage_mousemove_listener, false);
robot.addEventListener('mouseover', robot_mouseover_listener, false);
stage.addEventListener('mouseout', stage_mouseout_listener, false);
} else {
stage.attachEvent('onmousemove', stage_mousemove_listener);
robot.attachEvent('onmouseover', robot_mouseover_listener);
stage.attachEvent('onmouseout', stage_mouseout_listener);
}
})();
};
(function(){
var j = RobotMaker(document.getElementById('j'), 1, 1);
var j2 = RobotMaker(document.getElementById('j2'), .8, 5);
var j3 = RobotMaker(document.getElementById('j3'), 1.1, .5);
var j4 = RobotMaker(document.getElementById('j4'), .5, .75);
})();
</script>
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