From 82a37700e3ff8c1b9c43dbf00c05bd112bd58ec8 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sun, 24 Feb 2019 20:56:46 +0100
Subject: Play around with open boundaries

---
 src/shader/code/collide.glsl | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'src/shader')

diff --git a/src/shader/code/collide.glsl b/src/shader/code/collide.glsl
index 0ddae7b..673a285 100644
--- a/src/shader/code/collide.glsl
+++ b/src/shader/code/collide.glsl
@@ -102,7 +102,7 @@ float equilibrium(float d, vec2 v, int i, int j) {
 /// Material number meaning (geometry is only changed by the interaction shader)
 
 bool isBulkFluidCell(int material) {
-	return material == 1 || material == 4;
+	return material == 1 || material == 4 || material == 5 || material == 6;
 }
 
 float getExternalMassInflux(int material) {
@@ -126,8 +126,15 @@ void main() {
 	const int material = getMaterial(x,y);
 
 	if ( isBulkFluidCell(material) ) {
-		const float d = max(density(x,y), getExternalMassInflux(material));
-		const vec2  v = velocity(x,y,d);
+		float d = max(density(x,y), getExternalMassInflux(material));
+		vec2  v = velocity(x,y,d);
+
+		if ( material == 5 ) {
+			v = vec2(0.1,0.0);
+		}
+		if ( material == 6 ) {
+			d = 1.0;
+		}
 
 		setFluid(x,y,v);
 
-- 
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