mockup1.html
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<html>
<head>
<meta charset="UTF-8">
<title>Konva's test</title>
<script src="https://unpkg.com/konva@3.3.2/konva.min.js"></script>
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
</head>
<body>
<h1>Interface Mockup with Konda JS</h1>
<div id="container"></div>
<button onclick="eventNext()">Valider</button>
<div id="information" style="display:none">
<img src="image.png" id="image-char" width="150px" />
<audio controls id="audio-player-char">
<source src="" type="audio/wav">
Your browser does not support the audio element.
</audio>
</div>
<script type="text/javascript">
// -- FUNCTIONS --
/**
* Check if an intersection exists between AB and CD.
* Return :
* - false if it has no intersection
* - true otherwise
*/
function isThereIntersection(A, B, C, D) {
a = A.x; b = A.y; c = B.x; d = B.y
p = C.x; q = C.y; r = D.x; s = D.y
var det, gamma, lambda;
det = (c - a) * (s - q) - (r - p) * (d - b);
if (det === 0) {
return false;
} else {
lambda = ((s - q) * (r - a) + (p - r) * (s - b)) / det;
gamma = ((b - d) * (r - a) + (c - a) * (s - b)) / det;
return (0 < lambda && lambda < 1) && (0 < gamma && gamma < 1)
}
};
/**
* Compute intersection between two lines
* Please, check if an intersection exists between
* calling this function. (ref isThereIntersection)
*
* Return:
* - Intersection point between two lines
*/
function intersection(A, B, C, D) {
a = A.x; b = A.y; c = B.x; d = B.y
p = C.x; q = C.y; r = D.x; s = D.y
l1_a = (B.y - A.y) / (B.x - A.x);
l1_b = A.y - l1_a * A.x;
l2_a = (D.y - C.y) / (D.x - C.x);
l2_b = C.y - l2_a * C.x;
// Compute intersection point
x = (l2_b - l1_b) / (l1_a - l2_a)
y = l1_a * x + l1_b
return {
x: x,
y: y
}
}
/**
* Return the index of the closest point
*
*/
function closestPoint(ref, points) {
var dist = 100000;
var closest_i = -1;
for (var i in points) {
cur = Math.sqrt(Math.pow(ref.x - points[i].x, 2) + Math.pow(ref.y - points[i].y, 2));
if (cur < dist) {
dist = cur;
closest_i = i;
}
}
return closest_i;
}
currentId = 0
// -- EVENTS --
function eventInformationRef(id) {
$("#information").css("display", "block");
$("#information #image-char").attr("src", data["refs"][currentId][id]["image"])
$("#information #audio-player-char source").attr("src", data["refs"][currentId][id]["audio"])
$("#information #audio-player-char")[0].load();
}
function eventNext() {
console.log("test")
$("#information").css("display", "none");
currentId++;
ref1Obj.src = data["refs"][currentId]["1"]["image"]
ref2Obj.src = data["refs"][currentId]["2"]["image"]
ref3Obj.src = data["refs"][currentId]["3"]["image"]
}
// -- DATA --
data = {
triangle: {
A: {
x: 170,
y: 80
},
B: {
x: 365,
y: 125
},
C: {
x: 215,
y: 260
}
},
refs:
[
{
1: {
"image": "https://pixel.nymag.com/imgs/daily/vulture/2017/11/01/01-thor-ragnarok.w700.h700.jpg",
"audio": "fr-fr,global_admiral_koris,gth002_bigchoice_m,00506414_m.wav"
},
2: {
"image": "https://vignette.wikia.nocookie.net/lotr/images/e/e7/Gandalf_the_Grey.jpg/revision/latest?cb=20121110131754",
"audio": "fr-fr,global_illusive_man,cat004_premech_log_kleng_d,00636312_m.wav"
},
3: {
"image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTpZXULP94DEy5J5gyfRx3MPNZYU6QeHHaHkzrcrUpyr_eoeLE0Rw",
"audio": "fr-fr,global_joker,nor_joker_bridge_d,00648244_m.wav"
}
},
{
1: {
"image": "https://upload.wikimedia.org/wikipedia/en/7/77/EricCartman.png",
"audio": "fr-fr,global_oldcouncil_turian,procit_turian_request_m,00618678_m.wav"
},
2: {
"image": "https://images-na.ssl-images-amazon.com/images/I/513jWqHJZDL._SY355_.jpg",
"audio": "fr-fr,global_thane,citprs_hosp_thane_d,00638983_m.wav"
},
3: {
"image": "https://tous-les-heros.com/modules/mdg_blog/views/img/front/1779/visuel-article_article_offredumoment_actualitedesheros.jpg",
"audio": "fr-fr,global_wreav,kro002_truck_talk1_m,00595765_m.wav"
}
},
{
1: {
"image": "https://the-big-bang-theory.com/images/uploads/5/rs_3463ec66edb459bd1dd.jpg",
"audio": "fr-fr,global_zaeed,citprs_zaeed_a,00674049_m.wav"
},
2: {
"image": "https://the-big-bang-theory.com/images/uploads/2/rs_35619e852e696869058.jpg",
"audio": "fr-fr,hench_ashley,cermir_observation_enter_b,00635714_m.wav"
},
3: {
"image": "https://wwwimage-secure.cbsstatic.com/thumbnails/photos/w425/cast/cast_bigbang_johnnygalecki.jpg",
"audio": "fr-fr,hench_ashley,norcat_cat4_romculm_ash_m,00652553_m.wav"
}
}
]
}
// -- Help functions --
function writeMessage(message) {
text.text(message);
layer.draw();
}
// -- STAGE & LAYER--
var stage = new Konva.Stage({
container: 'container', // id of container <div>
width: 500,
height: 500
});
var layer = new Konva.Layer();
// -- TEXT --
var text = new Konva.Text({
x: 10,
y: 10,
fontFamily: 'Calibri',
fontSize: 24,
text: 'Test',
fill: 'black'
});
// -- RECTANGLE --
// TODO: Ajouter un rectangle en fond qui serve à
// gérer l'événement de la souris.
var rect = new Konva.Rect({
x: 0,
y: 0,
width: stage.attrs.width,
height: stage.attrs.height,
stroke: 'black',
strokeWidth: 0
});
// -- TRIANGLE --
var triangle = new Konva.Shape({
stroke: 'black',
fill: '#00D2FF',
strokeWidth: 1,
sceneFunc: function (context) {
context.beginPath();
context.moveTo(data.triangle.A.x, data.triangle.A.y);
context.lineTo(data.triangle.B.x, data.triangle.B.y);
context.lineTo(data.triangle.C.x, data.triangle.C.y);
context.closePath();
context.fillStrokeShape(this); 50
}
});
bar = {
x: (data.triangle.A.x + data.triangle.B.x + data.triangle.C.x) / 3,
y: (data.triangle.A.y + data.triangle.B.y + data.triangle.C.y) / 3
}
triangle.on("mousemove mousedown", function (event) {
if (event.evt.buttons === 1) {
var mousePos = stage.getPointerPosition();
var x = mousePos.x;
var y = mousePos.y;
point.position({ x: x, y: y });
layer.draw();
}
})
function eventOutTriangle(event) {
if (event.evt.buttons === 1) {
var mousePos = stage.getPointerPosition();
var pointout = {
x: mousePos.x,
y: mousePos.y
}
var lines_to_test = [
{
A: data.triangle.A,
B: data.triangle.B
},
{
A: data.triangle.B,
B: data.triangle.C
},
{
A: data.triangle.C,
B: data.triangle.A
}
]
var intersections = []
for (var ind in lines_to_test) {
line = lines_to_test[ind];
var inter = isThereIntersection(
line.A, line.B,
bar, pointout
)
if (inter !== false) {
intersections.push(
intersection(
line.A, line.B,
bar, pointout
)
);
}
}
i = closestPoint(pointout, intersections);
point.position({
x: intersections[i].x,
y: intersections[i].y
});
layer.draw();
}
}
rect.on("mousemove", function (event) {
eventOutTriangle(event);
})
// -- POINT --
// create our shape
var point = new Konva.Circle({
x: bar.x,
y: bar.y,
radius: 5,
fill: 'red',
stroke: 'black',
strokeWidth: 1
});
point.listening(false);
// -- IMAGE REFS --
// 1rst ref
var ref1Obj = new Image();
ref1Obj.onload = function () {
var ref1 = new Konva.Image({
x: 50,
y: 50,
image: ref1Obj,
width: 100,
height: 100
});
ref1.on("mousemove", function (event) {
eventOutTriangle(event);
});
ref1.on("click", function (event) {
eventInformationRef(1);
});
layer.add(ref1);
layer.draw();
}
ref1Obj.src = data["refs"][currentId]["1"]["image"];
// 2nd ref
var ref2Obj = new Image();
ref2Obj.onload = function () {
var ref2 = new Konva.Image({
x: 150,
y: 300,
image: ref2Obj,
width: 100,
height: 100
});
ref2.on("click", function (event) {
eventInformationRef(2);
})
ref2.on("mousemove", function (event) {
eventOutTriangle(event);
});
layer.add(ref2);
layer.draw();
}
ref2Obj.src = data["refs"][currentId]["2"]["image"];
// 3rd ref
var ref3Obj = new Image();
ref3Obj.onload = function () {
var ref3 = new Konva.Image({
x: 390,
y: 50,
image: ref3Obj,
width: 100,
height: 100
});
ref3.on("click", function (event) {
eventInformationRef(3);
})
ref3.on("mousemove", function (event) {
eventOutTriangle(event);
});
layer.add(ref3);
layer.draw();
}
ref3Obj.src = data["refs"][currentId]["3"]["image"];
// -- ADDING
// add the shape to the layer
layer.add(rect);
layer.add(triangle);
layer.add(point);
layer.add(text);
// add the layer to the stage
stage.add(layer);
// -- DRAWING
layer.draw();
</script>
</body>
</html>