overte-JulianGro/examples/entityScripts/movable.js
2014-11-17 22:13:49 -08:00

322 lines
13 KiB
JavaScript

//
// movable.js
// examples/entityScripts
//
// Created by Brad Hefta-Gaub on 11/17/14.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
(function(){
this.entityID = null;
this.properties = null;
this.graboffset = null;
this.clickedAt = null;
this.firstHolding = true;
this.clickedX = -1;
this.clickedY = -1;
this.rotateOverlayTarget = null;
this.rotateOverlayInner = null;
this.rotateOverlayOuter = null;
this.rotateOverlayCurrent = null;
this.rotateMode = false;
this.originalRotation = null;
this.sound = null;
this.injector = null;
var rotateOverlayTargetSize = 10000; // really big target
var innerSnapAngle = 22.5; // the angle which we snap to on the inner rotation tool
var innerRadius;
var outerRadius;
var yawCenter;
var yawZero;
var rotationNormal;
var yawNormal;
var debug = true;
// Download sound if needed
this.maybeDownloadSound = function() {
if (this.sound === null) {
this.sound = SoundCache.getSound("http://public.highfidelity.io/sounds/Collisions-otherorganic/whoosh2.raw");
}
}
// Play drag sound
this.playSound = function() {
this.stopSound();
if (this.sound && this.sound.downloaded) {
this.injector = Audio.playSound(this.sound, { position: this.properties.position, loop: true, volume: 0.1 });
}
}
// stop drag sound
this.stopSound = function() {
if (this.injector) {
Audio.stopInjector(this.injector);
this.injector = null;
}
}
// Pr, Vr are respectively the Ray's Point of origin and Vector director
// Pp, Np are respectively the Plane's Point of origin and Normal vector
this.rayPlaneIntersection = function(Pr, Vr, Pp, Np) {
var d = -Vec3.dot(Pp, Np);
var t = -(Vec3.dot(Pr, Np) + d) / Vec3.dot(Vr, Np);
return Vec3.sum(Pr, Vec3.multiply(t, Vr));
};
// updates the piece position based on mouse input
this.updatePosition = function(mouseEvent) {
var pickRay = Camera.computePickRay(mouseEvent.x, mouseEvent.y)
var upVector = { x: 0, y: 1, z: 0 };
var intersection = this.rayPlaneIntersection(pickRay.origin, pickRay.direction,
this.properties.position, upVector);
var newPosition = Vec3.sum(intersection, this.graboffset);
Entities.editEntity(this.entityID, { position: newPosition });
};
this.grab = function(mouseEvent) {
// first calculate the offset
var pickRay = Camera.computePickRay(mouseEvent.x, mouseEvent.y)
var upVector = { x: 0, y: 1, z: 0 };
var intersection = this.rayPlaneIntersection(pickRay.origin, pickRay.direction,
this.properties.position, upVector);
this.graboffset = Vec3.subtract(this.properties.position, intersection);
};
this.move = function(mouseEvent) {
this.updatePosition(mouseEvent);
if (this.injector === null) {
this.playSound();
}
};
this.release = function(mouseEvent) {
this.updatePosition(mouseEvent);
};
this.rotate = function(mouseEvent) {
var pickRay = Camera.computePickRay(mouseEvent.x, mouseEvent.y)
var result = Overlays.findRayIntersection(pickRay);
if (result.intersects) {
var center = yawCenter;
var zero = yawZero;
var centerToZero = Vec3.subtract(center, zero);
var centerToIntersect = Vec3.subtract(center, result.intersection);
var angleFromZero = Vec3.orientedAngle(centerToZero, centerToIntersect, rotationNormal);
var distanceFromCenter = Vec3.distance(center, result.intersection);
var snapToInner = false;
// var innerRadius = (Vec3.length(selectionManager.worldDimensions) / 2) * 1.1;
if (distanceFromCenter < innerRadius) {
angleFromZero = Math.floor(angleFromZero/innerSnapAngle) * innerSnapAngle;
snapToInner = true;
}
var yawChange = Quat.fromVec3Degrees({ x: 0, y: angleFromZero, z: 0 });
Entities.editEntity(this.entityID, { rotation: Quat.multiply(yawChange, this.originalRotation) });
// update the rotation display accordingly...
var startAtCurrent = 360-angleFromZero;
var endAtCurrent = 360;
var startAtRemainder = 0;
var endAtRemainder = 360-angleFromZero;
if (angleFromZero < 0) {
startAtCurrent = 0;
endAtCurrent = -angleFromZero;
startAtRemainder = -angleFromZero;
endAtRemainder = 360;
}
if (snapToInner) {
Overlays.editOverlay(this.rotateOverlayOuter, { startAt: 0, endAt: 360 });
Overlays.editOverlay(this.rotateOverlayInner, { startAt: startAtRemainder, endAt: endAtRemainder });
Overlays.editOverlay(this.rotateOverlayCurrent, { startAt: startAtCurrent, endAt: endAtCurrent, size: innerRadius,
majorTickMarksAngle: innerSnapAngle, minorTickMarksAngle: 0,
majorTickMarksLength: -0.25, minorTickMarksLength: 0, });
} else {
Overlays.editOverlay(this.rotateOverlayInner, { startAt: 0, endAt: 360 });
Overlays.editOverlay(this.rotateOverlayOuter, { startAt: startAtRemainder, endAt: endAtRemainder });
Overlays.editOverlay(this.rotateOverlayCurrent, { startAt: startAtCurrent, endAt: endAtCurrent, size: outerRadius,
majorTickMarksAngle: 45.0, minorTickMarksAngle: 5,
majorTickMarksLength: 0.25, minorTickMarksLength: 0.1, });
}
}
};
// All callbacks start by updating the properties
this.updateProperties = function(entityID) {
if (this.entityID === null || !this.entityID.isKnownID) {
this.entityID = Entities.identifyEntity(entityID);
}
this.properties = Entities.getEntityProperties(this.entityID);
};
this.cleanupRotateOverlay = function() {
Overlays.deleteOverlay(this.rotateOverlayTarget);
Overlays.deleteOverlay(this.rotateOverlayInner);
Overlays.deleteOverlay(this.rotateOverlayOuter);
Overlays.deleteOverlay(this.rotateOverlayCurrent);
this.rotateOverlayTarget = null;
this.rotateOverlayInner = null;
this.rotateOverlayOuter = null;
this.rotateOverlayCurrent = null;
}
this.displayRotateOverlay = function(mouseEvent) {
var yawOverlayAngles = { x: 90, y: 0, z: 0 };
var yawOverlayRotation = Quat.fromVec3Degrees(yawOverlayAngles);
yawNormal = { x: 0, y: 1, z: 0 };
yawCenter = this.properties.position;
rotationNormal = yawNormal;
// Size the overlays to the current selection size
var diagonal = (Vec3.length(this.properties.dimensions) / 2) * 1.1;
var halfDimensions = Vec3.multiply(this.properties.dimensions, 0.5);
innerRadius = diagonal;
outerRadius = diagonal * 1.15;
var innerAlpha = 0.2;
var outerAlpha = 0.2;
this.rotateOverlayTarget = Overlays.addOverlay("circle3d", {
position: this.properties.position,
size: 10000,
color: { red: 0, green: 0, blue: 0 },
alpha: 0.0,
solid: true,
visible: true,
rotation: yawOverlayRotation,
ignoreRayIntersection: false
});
this.rotateOverlayInner = Overlays.addOverlay("circle3d", {
position: this.properties.position,
size: innerRadius,
innerRadius: 0.9,
alpha: innerAlpha,
color: { red: 51, green: 152, blue: 203 },
solid: true,
visible: true,
rotation: yawOverlayRotation,
hasTickMarks: true,
majorTickMarksAngle: innerSnapAngle,
minorTickMarksAngle: 0,
majorTickMarksLength: -0.25,
minorTickMarksLength: 0,
majorTickMarksColor: { red: 0, green: 0, blue: 0 },
minorTickMarksColor: { red: 0, green: 0, blue: 0 },
ignoreRayIntersection: true, // always ignore this
});
this.rotateOverlayOuter = Overlays.addOverlay("circle3d", {
position: this.properties.position,
size: outerRadius,
innerRadius: 0.9,
startAt: 0,
endAt: 360,
alpha: outerAlpha,
color: { red: 51, green: 152, blue: 203 },
solid: true,
visible: true,
rotation: yawOverlayRotation,
hasTickMarks: true,
majorTickMarksAngle: 45.0,
minorTickMarksAngle: 5,
majorTickMarksLength: 0.25,
minorTickMarksLength: 0.1,
majorTickMarksColor: { red: 0, green: 0, blue: 0 },
minorTickMarksColor: { red: 0, green: 0, blue: 0 },
ignoreRayIntersection: true, // always ignore this
});
this.rotateOverlayCurrent = Overlays.addOverlay("circle3d", {
position: this.properties.position,
size: outerRadius,
startAt: 0,
endAt: 0,
innerRadius: 0.9,
color: { red: 224, green: 67, blue: 36},
alpha: 0.8,
solid: true,
visible: true,
rotation: yawOverlayRotation,
ignoreRayIntersection: true, // always ignore this
hasTickMarks: true,
majorTickMarksColor: { red: 0, green: 0, blue: 0 },
minorTickMarksColor: { red: 0, green: 0, blue: 0 },
});
var pickRay = Camera.computePickRay(mouseEvent.x, mouseEvent.y)
var result = Overlays.findRayIntersection(pickRay);
yawZero = result.intersection;
};
this.preload = function(entityID) {
this.updateProperties(entityID); // All callbacks start by updating the properties
this.maybeDownloadSound();
};
this.clickDownOnEntity = function(entityID, mouseEvent) {
this.updateProperties(entityID); // All callbacks start by updating the properties
this.grab(mouseEvent);
var d = new Date();
this.clickedAt = d.getTime();
this.firstHolding = true;
this.clickedX = mouseEvent.x;
this.clickedY = mouseEvent.y;
};
this.holdingClickOnEntity = function(entityID, mouseEvent) {
this.updateProperties(entityID); // All callbacks start by updating the properties
if (this.firstHolding) {
// if we haven't moved yet...
if (this.clickedX == mouseEvent.x && this.clickedY == mouseEvent.y) {
var d = new Date();
var now = d.getTime();
if (now - this.clickedAt > 500) {
this.displayRotateOverlay(mouseEvent);
this.firstHolding = false;
this.rotateMode = true;
this.originalRotation = this.properties.rotation;
}
} else {
this.firstHolding = false;
}
}
if (this.rotateMode) {
this.rotate(mouseEvent);
} else {
this.move(mouseEvent);
}
};
this.clickReleaseOnEntity = function(entityID, mouseEvent) {
this.updateProperties(entityID); // All callbacks start by updating the properties
if (this.rotateMode) {
this.rotate(mouseEvent);
} else {
this.release(mouseEvent);
}
if (this.rotateOverlayTarget != null) {
this.cleanupRotateOverlay();
this.rotateMode = false;
}
this.firstHolding = false;
this.stopSound();
};
})