diff options
Diffstat (limited to 'src/jogl/classes/jogamp/graph/curve/opengl/shader')
| -rw-r--r-- | src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.fp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.fp index 6f75c3e69..3a1ef5157 100644 --- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.fp +++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.fp @@ -63,7 +63,7 @@ void main (void) vec2 dtx = dFdx(rtex); vec2 dty = dFdy(rtex); - rtex.y -= p1y - 0.1; + rtex.y -= 0.1; if(rtex.y < 0.0) { if(v_texCoord.y < 0.0) @@ -74,24 +74,21 @@ void main (void) } vec2 f = vec2((dtx.y - dtx.x + 2.0*rtex.x*dtx.x), (dty.y - dty.x + 2.0*rtex.x*dty.x)); - float position = rtex.y - (rtex.x * (1.0 - rtex.x)); float d = position/(length(f)); float a = (0.5 - d * sign(v_texCoord.y)); - if (a >= 1.0) { alpha = g_alpha; - } + } else if (a <= 0.0) { - alpha = 0.0; - // discard; // should work but generates artifacts, dimples ? + alpha = 0.0;//discard; } else { alpha = g_alpha*a; mix(b_color,g_color, a); - } + } } gl_FragColor = vec4(c, alpha); |