From 10099c7d9a32c916e6fa192f0349c4a2f7797bcc Mon Sep 17 00:00:00 2001
From: Steven van den Broek <30909373+Yvee1@users.noreply.github.com>
Date: Sat, 30 Jan 2021 21:13:20 +0100
Subject: [PATCH] [orx-temporal-blur] allow 0 jitter and fix small bug (#164)

---
 orx-temporal-blur/src/main/kotlin/TemporalBlur.kt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/orx-temporal-blur/src/main/kotlin/TemporalBlur.kt b/orx-temporal-blur/src/main/kotlin/TemporalBlur.kt
index f74c81f0..175ddda4 100644
--- a/orx-temporal-blur/src/main/kotlin/TemporalBlur.kt
+++ b/orx-temporal-blur/src/main/kotlin/TemporalBlur.kt
@@ -172,8 +172,10 @@ class TemporalBlur : Extension {
             drawer.drawStyle.blendMode = BlendMode.OVER
             drawer.drawStyle.colorMatrix = Matrix55.IDENTITY
             drawer.isolated {
-                val offset = Vector2.uniformRing(0.0, jitter)
-                drawer.projection = Matrix44.translate(offset.x * (1.0 / program.width), offset.y * (1.0 / program.height), 0.0) * drawer.projection
+                if (jitter > 0.0){
+                    val offset = Vector2.uniformRing(0.0, jitter)
+                    drawer.projection = Matrix44.translate(offset.x * (1.0 / program.width), offset.y * (1.0 / program.height), 0.0) * drawer.projection
+                }
 
                 for (extension in extensionTail) {
                     extension.beforeDraw(drawer, program)
@@ -194,6 +196,7 @@ class TemporalBlur : Extension {
 
             add.apply(arrayOf(imageResolved!!.colorBuffer(0), accumulator!!.colorBuffer(0)), accumulator!!.colorBuffer(0))
             program.clock = oldClock
+            fsf.setDouble(program, program.clock())
         }
         image?.let {
             drawer.withTarget(it) {