From f2796c332935bf3220170fd56b03c5b6d581c257 Mon Sep 17 00:00:00 2001
From: amandaghassaei <amandaghassaei@gmail.com>
Date: Tue, 4 Apr 2017 15:42:52 -0400
Subject: [PATCH] small changes, still something werid about upper boundary
limits
---
index.html | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/index.html b/index.html
index b7d39b8..fbc5404 100644
--- a/index.html
+++ b/index.html
@@ -272,7 +272,7 @@
else {
vec2 scaledCoord = (fragCoord-pxCenter)*u_scale;
vec2 scaledSize = u_textureSize*u_scale;
- currentVelocity = 1.0/u_scale*bilinearInterp(vec2(1.0, 1.0) + scaledCoord/scaledSize*(scaledSize-vec2(3.0, 3.0)), u_velocity, scaledSize);
+ currentVelocity = 1.0/u_scale*bilinearInterp(vec2(1.0, 1.0) + scaledCoord/scaledSize*(scaledSize-vec2(0.5, 0.5)/u_scale), u_velocity, scaledSize);
}
//implicitly solve advection
@@ -335,7 +335,7 @@
vec2 fragCoord = gl_FragCoord.xy;
vec2 particleCoord = texture2D(u_particles, fragCoord/u_textureSize).xy;
- vec2 currentVelocity = 1.0/u_scale*bilinearInterp(vec2(1.0, 1.0) + particleCoord*u_scale/u_velocityTextureSize*(u_velocityTextureSize-vec2(3.0, 3.0)), u_velocity, u_velocityTextureSize);
+ vec2 currentVelocity = 1.0/u_scale*bilinearInterp(vec2(1.0, 1.0) + particleCoord*u_scale/u_velocityTextureSize*(u_velocityTextureSize-vec2(0.5, 0.5)/u_scale), u_velocity, u_velocityTextureSize);
vec2 nextPosition = particleCoord+currentVelocity*u_dt;//explicitly solve advection
if (nextPosition.x < 0.0) nextPosition.x = 0.0;
--
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