From 1d54138b94a384917d47abd8109c586b1b7ac323 Mon Sep 17 00:00:00 2001 From: chai Date: Sun, 25 Nov 2018 13:08:56 +0800 Subject: =?UTF-8?q?*=E7=B2=92=E5=AD=90=E7=B3=BB=E7=BB=9F?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/libjin/graphics/particles/je_particle.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'src/libjin/graphics/particles/je_particle.cpp') diff --git a/src/libjin/graphics/particles/je_particle.cpp b/src/libjin/graphics/particles/je_particle.cpp index 6cab9db..00e593f 100644 --- a/src/libjin/graphics/particles/je_particle.cpp +++ b/src/libjin/graphics/particles/je_particle.cpp @@ -127,6 +127,11 @@ namespace JinEngine float t = life / lifeTime; if ((updateFlags & UPDATE_COLOR) != 0) color = def->colorDef.overTime.value.getColor(t); + // transparency + if (def->transparencyDef.overTime.enable) + color.a *= def->transparencyDef.overTime.value.getValue(t); + else + color.a *= def->transparencyDef.transparency.value; if ((updateFlags & UPDATE_SCALE) != 0) { // Lerp scale. @@ -151,8 +156,8 @@ namespace JinEngine int n = def->spritesDef.sprites.size(); if (def->spritesDef.mode == SpriteMode::ANIMATED) spriteIndex = lerp(0, n - 1, t); - else - spriteIndex = rng.rand(0, n - 1); + //else + // spriteIndex = rng.rand(0, n - 1); } life += dt; alive = life < lifeTime; -- cgit v1.1-26-g67d0