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Changed physics to include rotation and jazzing up ships

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This commit is contained in:
Jeremiah Billmann
2013-08-02 17:20:01 -04:00
parent 881f0bc335
commit 275a5533c8
11 changed files with 34 additions and 14 deletions
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example/shared/core.js
+21 -12
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@@ -1,26 +1,22 @@
(function(exports){
exports.getNewPlayerState = function (state, inputs, deltaTime, garageServer) {
var i = 0;
var i = 0,
distance = 0;
if (!state.x && !state.y) {
if (!state.ang && state.ang !== 0) {
state.ang = 0;
state.x = 0;
state.y = 0;
state.direction = 'right';
}
for (i = 0; i < inputs.length; i ++) {
if (inputs[i].input === 'left') {
state.x -= (125 * deltaTime);
state.direction = 'left';
state.ang -= (125 * deltaTime);
} else if (inputs[i].input === 'right') {
state.x += (125 * deltaTime);
state.direction = 'right';
} else if (inputs[i].input === 'down') {
state.y += (125 * deltaTime);
state.direction = 'down';
state.ang += (125 * deltaTime);
} else if (inputs[i].input === 'up') {
state.y -= (125 * deltaTime);
state.direction = 'up';
distance += (125 * deltaTime);
} else if (inputs[i].input === 'space') {
if (garageServer) {
var newId = guid();
@@ -29,8 +25,20 @@
}
}
}
var newPoint = getPoint(state.ang, distance, state.x, state.y);
state.x = newPoint.x;
state.y = newPoint.y;
return state;
};
function getPoint(angle, distance, oldX, oldY) {
var radians = angle * (Math.PI / 180);
return {
x: oldX + distance * Math.cos(radians),
y: oldY + distance * Math.sin(radians)
};
}
exports.getNewEntityState = function (state, deltaTime) {
if (state.direction === 'left') {
@@ -50,6 +58,7 @@
var interpolationState = {};
interpolationState.x = (previousState.x + amount * (targetState.x - previousState.x));
interpolationState.y = (previousState.y + amount * (targetState.y - previousState.y));
interpolationState.ang = (previousState.ang + amount * (targetState.ang - previousState.ang));
return interpolationState;
};