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put lowered friction back on table. incorportate Andrew's fix for the paddle crashing through the new table corners

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This commit is contained in:
Seth Alves 2015-05-18 13:30:28 -07:00
parent cc63787eb1
commit ab13eb2d16
2 changed files with 57 additions and 27 deletions
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1
examples/example/games/airHockey.js
View file

@ -301,6 +301,7 @@ function spawnAllTheThings() {
z: 1.31
}, MODEL_SCALE),
position: Vec3.sum(center, MODEL_OFFSET),
friction: floorFriction,
ignoreCollisions: false,
visible: true,
locked: true,

83
examples/example/games/grabHockey.js
View file

@ -11,29 +11,35 @@
//
// these are hand-measured bounds of the AirHockey table
var fieldMaxOffset = {
var fieldHalfExtent = {
x: 0.475,
y: 0.315,
z: 0.830
};
var fieldMinOffset = {
x: -0.475,
y: 0.315,
z: -0.830
};
//var fieldMinOffset = {
// x: -0.475,
// y: 0.315,
// z: -0.830
//};
var halfCornerBoxWidth = 0.85;
// parameters for storing the table playing field
var fieldMax = {
//// parameters for storing the table playing field
//var fieldMax = {
// x: 0,
// y: 0,
// z: 0
//};
//var fieldMin = {
// x: 0,
// y: 0,
// z: 0
//};
var tablePosition = {
x: 0,
y: 0,
z: 0
};
var fieldMin = {
x: 0,
y: 0,
z: 0
};
}
var isGrabbing = false;
var grabbedEntity = null;
var prevMouse = {};
@ -146,10 +152,10 @@ function mousePressEvent(event) {
var props = Entities.getEntityProperties(table);
// keep this name synchronized with what's in airHockey.js
if (props.name === "air-hockey-table-23j4h1jh82jsjfw91jf232n2k") {
var tablePosition = props.position;
tablePosition = props.position;
// when we know the table's position we can compute the X-Z bounds of its field
fieldMax = Vec3.sum(tablePosition, fieldMaxOffset);
fieldMin = Vec3.sum(tablePosition, fieldMinOffset);
//fieldMax = Vec3.sum(tablePosition, fieldMaxOffset);
//fieldMin = Vec3.sum(tablePosition, fieldMinOffset);
}
});
}
@ -240,17 +246,40 @@ function mouseMoveEvent(event) {
mousePosition = Vec3.multiply(mousePosition, length);
mousePosition = Vec3.sum(Camera.getPosition(), mousePosition);
// clamp mousePosition to table field
if (mousePosition.x < fieldMin.x) {
mousePosition.x = fieldMin.x;
} else if (mousePosition.x > fieldMax.x) {
mousePosition.x = fieldMax.x;
// translate mousePosition into local-frame
mousePosition = Vec3.subtract(mousePosition, tablePosition);
// clamp local mousePosition to table field
if (mousePosition.x > fieldHalfExtent.x) {
mousePosition.x = fieldHalfExtent.x;
} else if (mousePosition.x < - fieldHalfExtent.x) {
mousePosition.x = - fieldHalfExtent.x;
}
if (mousePosition.z < fieldMin.z) {
mousePosition.z = fieldMin.z;
} else if (mousePosition.z > fieldMax.z) {
mousePosition.z = fieldMax.z;
if (mousePosition.z > fieldHalfExtent.z) {
mousePosition.z = fieldHalfExtent.z;
} else if (mousePosition.z < - fieldHalfExtent.z) {
mousePosition.z = - fieldHalfExtent.z;
}
// clamp to rotated square (for cut corners)
var rotation = Quat.angleAxis(45, { x:0, y:1, z:0 });
mousePosition = Vec3.multiplyQbyV(rotation, mousePosition);
if (mousePosition.x > halfCornerBoxWidth) {
mousePosition.x = halfCornerBoxWidth;
} else if (mousePosition.x < -halfCornerBoxWidth) {
mousePosition.x = -halfCornerBoxWidth;
}
if (mousePosition.z > halfCornerBoxWidth) {
mousePosition.z = halfCornerBoxWidth;
} else if (mousePosition.z < -halfCornerBoxWidth) {
mousePosition.z = -halfCornerBoxWidth;
}
// rotate back into local frame
rotation.y = -rotation.y;
mousePosition = Vec3.multiplyQbyV(rotation, mousePosition);
// translate into world-frame
mousePosition = Vec3.sum(tablePosition, mousePosition);
mousePosition.y = grabHeight;
targetPosition = mousePosition;
}