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Cesium example of texturing a model loaded with the Entity API
var viewer = new Cesium.Viewer('cesiumContainer', {
infoBox : false,
selectionIndicator : false
});
var entity = viewer.entities.add({
position : Cesium.Cartesian3.fromDegrees(-123, 44, 10),
model : {
uri : '../../../Specs/Data/Models/Box-Textured/CesiumTexturedBoxTest.gltf',
minimumPixelSize : 128
}
});
viewer.zoomTo(entity, new Cesium.HeadingPitchRange(Math.PI / 4, -Math.PI / 4, 3));
Cesium.loadImage('../images/checkerboard.png').then(function(image) {
//scene.context.createTexture2D is not part of the public API,
//so this code may have to change in the future.
var texture = viewer.scene.context.createTexture2D({
source : image
});
//Change color on mouse over. This relies on the fact that given a primitive,
//you can retrieve an associted en
var originalTexture;
var lastPick;
var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
var material;
handler.setInputAction(function(movement) {
var primitive;
var pickedObject = viewer.scene.pick(movement.endPosition);
if (pickedObject) {
primitive = pickedObject.primitive;
if (pickedObject !== lastPick && primitive instanceof Cesium.Model) {
//We don't use the entity here, but if you need to color based on
//some entity property, you can get to that data it here.
var entity = primitive.id;
material = primitive.getMaterial('Texture');
originalTexture = material.getValue('diffuse');
material.setValue('diffuse', texture);
lastPick = pickedObject;
}
} else if (lastPick) {
primitive = lastPick.primitive;
material = primitive.getMaterial('Texture');
material.setValue('diffuse', originalTexture);
lastPick = undefined;
}
}, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
});
//Ability to look up the Model associated with an entity
function getModelForEntity(entity) {
var primitives = viewer.scene.primitives;
for (var i = 0; i < primitives.length; i++) {
var primitive = primitives.get(i);
if (primitive instanceof Cesium.Model && primitive.id === entity) {
return primitive;
}
}
}
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