improved dust rendering

1 files changed, 7 insertions, 13 deletions

diff --git a/src/render/dust.cc b/src/render/dust.cc
index 25df9f9..ad337b3 100644
--- a/src/render/dust.cc
+++ b/src/render/dust.cc
@@ -91,8 +91,9 @@ void Dust::draw()
 		return;
 	}
 
-	if (! core::localcontrol()->speed())
-		return;
+	alpha = math::max(core::localcontrol()->movement(), core::localcontrol()->speed());
+	math::clamp(alpha, 0.0f, 1.0f);
+	alpha = 0.2f + alpha * 0.8f;
 
 	if (!dust) {
 		con_debug << "  generating dust..." << std::endl;
@@ -105,17 +106,10 @@ void Dust::draw()
 			dust[i*3+2] = core::localcontrol()->location().z + (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
 		}
 	}
-
-	math::Color color(1.0f, 1.0f);
-	alpha = core::localcontrol()->speed() / LOWSPEEDLIMIT;
-	if (alpha > DUSTMAXALPHA)
-		alpha = DUSTMAXALPHA;
-	color.a	= alpha;
-
-	traillength = core::localcontrol()->speed() / LOWSPEEDLIMIT;
-	/*if (traillength > 1)
-		traillength = 1.0f; */
-	traillength *= TRAILLENGHT;
+	
+	math::Color color(1.0f, alpha);
+	traillength = math::max(math::max(core::localcontrol()->movement(), core::localcontrol()->speed()), 0.5f);
+	traillength = traillength * TRAILLENGHT / LOWSPEEDLIMIT;
 
 	gl::color(color);
 	gl::begin(gl::Lines);