Created
April 28, 2012 06:08
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health.js
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var fallingDamageSpeedThreshold = 20; | |
var excessSpeedDamageMultiplier = 10; | |
var FULL_HEALTH_EVENT = manager.getEvent("full_health"); | |
var NO_HEALTH_EVENT = manager.getEvent("no_health"); | |
var applyDamage = function(entity, amount, instigator) { | |
if (this.currentHealth <= 0) { | |
return; | |
} | |
this.timeSinceLastDamage = 0; | |
this.currentHealth -= amount; | |
if (this.currentHealth <= 0) { | |
entity.send(NO_HEALTH_EVENT, instigator); | |
} | |
} | |
Health = manager.registerPrototype({ | |
"id": "Health", | |
"properties": { | |
"maxHealth": manager.numberType, | |
"regenRate": manager.numberType, | |
"waitBeforeRegen": manager.numberType, | |
"currentHealth": manager.numberType, | |
"timeSinceLastDamage": manager.numberType, | |
"partialRegen": manager.numberType, | |
"ratio": manager.calculatedType(manager.numberType, function() { | |
return this.currentHealth / this.maxHealth; | |
}) | |
}, | |
"methods": { | |
"fullHeal": function() { | |
this.currentHealth = this.maxHealth; | |
}, | |
}, | |
"constructor": function(maxHealth, regenRate, waitBeforeRegen) { | |
this.timeSinceLastDamage = 0; | |
this.partialRegen = 0; | |
this.maxHealth = maxHealth; | |
this.regenRate = regenRate; | |
this.waitBeforeRegen = waitBeforeRegen; | |
this.currentHealth = this.maxHealth; | |
}, | |
"handlers": { | |
"damage": function(event) { | |
applyDamage.call(this, event.target, event.amount, event.instigator); | |
}, | |
"land": function(event) { | |
if (event.velocity.y < 0 && -event.velocity.y > thisfallingDamageSpeedThreshold) { | |
var damage = Math.int((-event.velocity.y - fallingDamageSpeedThreshold) * excessSpeedDamageMultiplier); | |
if (damage > 0) { | |
applyDamage.call(this, entity.target, damage, null); | |
} | |
} | |
} | |
}, | |
"update": function(delta, entity) { | |
if (health.currentHealth <= 0 || health.currentHealth == health.maxHealth || health.regenRate == 0) { | |
return; | |
} | |
this.timeSinceLastDamage += delta; | |
if (this.timeSinceLastDamage >= this.waitBeforeRegen) { | |
this.partialRegen += delta * this.regenRate; | |
if (this.partialRegen >= 1) { | |
this.currentHealth = Math.round(Math.min(this.maxHealth, this.currentHealth + this.partialRegen)); | |
this.partialRegen %= 1; | |
if (this.currentHealth == this.maxHealth) { | |
entity.send(FULL_HEALTH_EVENT); | |
} | |
} | |
} | |
} | |
}); | |
console.log(Health.timeSinceLastDamage) |
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