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Added boundaries to altitude and changed radius rate

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Atlante45 2014-03-21 14:30:12 -07:00
parent c10d78c397
commit 3721ce8e43
1 changed files with 10 additions and 2 deletions
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12
examples/inspect.js
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@ -14,9 +14,11 @@
// Dragging the mouse will move your camera according to the mode you are in. // Dragging the mouse will move your camera according to the mode you are in.
// //
var PI = 3.14 // No need for something more precise
var AZIMUTH_RATE = 90.0; var AZIMUTH_RATE = 90.0;
var ALTITUDE_RATE = 200.0; var ALTITUDE_RATE = 200.0;
var RADIUS_RATE = 20.0; var RADIUS_RATE = 1.0 / 100.0;
var PAN_RATE = 50.0; var PAN_RATE = 50.0;
var alt = false; var alt = false;
@ -46,7 +48,7 @@ var altitude = 0.0;
function handleRadialMode(dx, dy) { function handleRadialMode(dx, dy) {
azimuth += dx / AZIMUTH_RATE; azimuth += dx / AZIMUTH_RATE;
radius += radius * dy / RADIUS_RATE; radius += radius * dy * RADIUS_RATE;
if (radius < 1) { if (radius < 1) {
radius = 1; radius = 1;
} }
@ -61,6 +63,12 @@ function handleRadialMode(dx, dy) {
function handleOrbitMode(dx, dy) { function handleOrbitMode(dx, dy) {
azimuth += dx / AZIMUTH_RATE; azimuth += dx / AZIMUTH_RATE;
altitude += dy / ALTITUDE_RATE; altitude += dy / ALTITUDE_RATE;
if (altitude > PI / 2.0) {
altitude = PI / 2.0;
}
if (altitude < -PI / 2.0) {
altitude = -PI / 2.0;
}
vector = { x:(Math.cos(altitude) * Math.cos(azimuth)) * radius, vector = { x:(Math.cos(altitude) * Math.cos(azimuth)) * radius,
y:Math.sin(altitude) * radius, y:Math.sin(altitude) * radius,