add support for auto-hide reticle and seek lookat on auto-show of reticle

This commit is contained in:
Brad Hefta-Gaub 2016-02-28 13:06:49 -08:00
parent 188cf3694b
commit 8de4a59078
2 changed files with 84 additions and 12 deletions

View file

@ -0,0 +1,70 @@
// autoHideReticle.js
// examples
//
// Created by Brad Hefta-Gaub on 2/23/16.
// Copyright 2016 High Fidelity, Inc.
//
// This script will auto-hide the reticle on inactivity... and then if it detects movement after being hidden
// it will automatically move the reticle to the look at position
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
var MINIMUM_SEEK_DISTANCE = 0.01;
var NON_LINEAR_DIVISOR = 2;
var lastMouseMove = Date.now();
var HIDE_STATIC_MOUSE_AFTER = 5000; // 5 seconds
var seekToLookAt = false;
Controller.mouseMoveEvent.connect(function(mouseEvent) {
lastMouseMove = Date.now();
// if the reticle is hidden, show it...
if (!Reticle.visible) {
Reticle.visible = true;
if (HMD.active) {
seekToLookAt = true;
}
}
});
Script.update.connect(function(deltaTime) {
// if we're currently seeking the lookAt move the mouse toward the lookat
if (HMD.active && seekToLookAt) {
var lookAt2D = HMD.getHUDLookAtPosition2D();
var currentReticlePosition = Reticle.position;
var distanceBetweenX = lookAt2D.x - Reticle.position.x;
var distanceBetweenY = lookAt2D.y - Reticle.position.y;
var moveX = distanceBetweenX / NON_LINEAR_DIVISOR;
var moveY = distanceBetweenY / NON_LINEAR_DIVISOR;
var newPosition = { x: Reticle.position.x + moveX, y: Reticle.position.y + moveY };
var closeEnoughX = false;
var closeEnoughY = false;
if (moveX < MINIMUM_SEEK_DISTANCE) {
newPosition.x = lookAt2D.x;
closeEnoughX = true;
}
if (moveY < MINIMUM_SEEK_DISTANCE) {
newPosition.y = lookAt2D.y;
closeEnoughY = true;
}
if (closeEnoughX && closeEnoughY) {
seekToLookAt = false;
}
Reticle.position = newPosition;
}
// if we haven't moved in a long period of time, hide the reticle
if (Reticle.visible) {
var now = Date.now();
var timeSinceLastMouseMove = now - lastMouseMove;
if (timeSinceLastMouseMove > HIDE_STATIC_MOUSE_AFTER) {
Reticle.visible = false;
}
}
});

View file

@ -212,19 +212,21 @@ void ApplicationCompositor::displayOverlayTexture(RenderArgs* renderArgs) {
geometryCache->renderUnitQuad(batch, vec4(vec3(1), _alpha));
//draw the mouse pointer
// Get the mouse coordinates and convert to NDC [-1, 1]
vec2 canvasSize = qApp->getCanvasSize(); // desktop, use actual canvas...
vec2 mousePosition = toNormalizedDeviceScale(vec2(qApp->getMouse()), canvasSize);
// Invert the Y axis
mousePosition.y *= -1.0f;
if (getReticleVisible()) {
// Get the mouse coordinates and convert to NDC [-1, 1]
vec2 canvasSize = qApp->getCanvasSize(); // desktop, use actual canvas...
vec2 mousePosition = toNormalizedDeviceScale(vec2(qApp->getMouse()), canvasSize);
// Invert the Y axis
mousePosition.y *= -1.0f;
Transform model;
model.setTranslation(vec3(mousePosition, 0));
vec2 mouseSize = CURSOR_PIXEL_SIZE / canvasSize;
model.setScale(vec3(mouseSize, 1.0f));
batch.setModelTransform(model);
bindCursorTexture(batch);
geometryCache->renderUnitQuad(batch, vec4(1));
Transform model;
model.setTranslation(vec3(mousePosition, 0));
vec2 mouseSize = CURSOR_PIXEL_SIZE / canvasSize;
model.setScale(vec3(mouseSize, 1.0f));
batch.setModelTransform(model);
bindCursorTexture(batch);
geometryCache->renderUnitQuad(batch, vec4(1));
}
});
}