mirror of
https://github.com/overte-org/overte.git
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79 lines
No EOL
2.8 KiB
JavaScript
79 lines
No EOL
2.8 KiB
JavaScript
(function(){
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this.GRID_POSITION = { x: 1, y: 1, z: 1 };
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this.GRID_SIZE = 1.0;
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this.sound = null;
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this.entityID = null;
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this.properties = null;
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this.updateProperties = function(entityID) {
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if (this.entityID === null) {
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this.entityID = entityID;
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print("entityID=" + JSON.stringify(this.entityID));
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}
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if (!entityID.isKnownID || this.entityID.id !== entityID.id) {
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print("Something is very wrong: Bailing!");
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return;
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}
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this.properties = Entities.getEntityProperties(this.entityID);
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if (!this.properties.isKnownID) {
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print("Unknown entityID " + this.entityID.id + " should be self.")
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}
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}
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this.updatePosition = function(mouseEvent) {
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var pickRay = Camera.computePickRay(mouseEvent.x, mouseEvent.y)
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var upVector = { x: 0, y: 1, z: 0 };
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var intersection = this.rayPlaneIntersection(pickRay.origin, pickRay.direction,
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this.properties.position, upVector);
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Entities.editEntity(this.entityID, { position: intersection });
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}
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this.snapToGrid = function() {
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var position = this.GRID_POSITION;
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var size = this.GRID_SIZE;
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var tileSize = size / 8.0;
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var height = tileSize * 0.2;
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var relative = Vec3.subtract(this.properties.position, position);
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var i = Math.floor(relative.x / tileSize);
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var j = Math.floor(relative.z / tileSize);
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i = Math.min(Math.max(0, i), 7);
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j = Math.min(Math.max(-1, j), 8);
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relative.x = (i + 0.5) * tileSize;
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relative.z = (j + 0.5) * tileSize;
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var finalPos = Vec3.sum(position, relative);
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Entities.editEntity(this.entityID, { position: finalPos });
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}
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// Pr, Vr are respectively the Ray's Point of origin and Vector director
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// Pp, Np are respectively the Plane's Point of origin and Normal vector
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this.rayPlaneIntersection = function(Pr, Vr, Pp, Np) {
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var d = -Vec3.dot(Pp, Np);
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var t = -(Vec3.dot(Pr, Np) + d) / Vec3.dot(Vr, Np);
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return Vec3.sum(Pr, Vec3.multiply(t, Vr));
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}
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this.maybeDownloadSound = function() {
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if (this.sound === null) {
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this.sound = new Sound("http://public.highfidelity.io/sounds/Footsteps/FootstepW3Left-12db.wav");
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}
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}
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this.playSound = function() {
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var options = new AudioInjectionOptions();
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options.position = this.properties.position;
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options.volume = 0.5;
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Audio.playSound(this.sound, options);
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}
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this.clickDownOnEntity = function(entityID, mouseEvent){
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this.maybeDownloadSound();
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this.updateProperties(entityID);
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this.updatePosition(mouseEvent);
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};
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this.holdingClickOnEntity = function(entityID, mouseEvent){
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this.updateProperties(entityID);
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this.updatePosition(mouseEvent);
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};
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this.clickReleaseOnEntity = function(entityID, mouseEvent){
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this.updateProperties(entityID);
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this.updatePosition(mouseEvent);
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this.snapToGrid();
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this.playSound();
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};
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}) |