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Merge pull request #272 from MaPePeR/WhirlwindAngleFiltering

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Only reflect Projectiles that fly in the direction of the player
This commit is contained in:
WayofTime 2015-03-19 15:25:07 -04:00
parent d7d8aedd42 589562d5ca
commit 01be2abffd
1 changed files with 8 additions and 0 deletions
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8
src/main/java/WayofTime/alchemicalWizardry/common/AlchemicalWizardryEventHooks.java
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@ -548,6 +548,14 @@ public class AlchemicalWizardryEventHooks
double delY = projectile.posY - entity.posY;
double delZ = projectile.posZ - entity.posZ;
double angle = (delX*projectile.motionX + delY*projectile.motionY + delZ*projectile.motionZ)/
(Math.sqrt(delX * delX + delY * delY + delZ * delZ)*Math.sqrt(projectile.motionX*projectile.motionX + projectile.motionY* projectile.motionY + projectile.motionZ*projectile.motionZ));
angle = Math.acos(angle);
if (angle < 3*(Math.PI/4)) {
//angle is < 135 degrees
continue;
}
if (throwingEntity != null)
{
delX = -projectile.posX + throwingEntity.posX;