Avoid rendering of fully transparent renderables

src/mol-gl/renderer.ts

@@ -655,7 +655,7 @@ namespace Renderer {
                 // TODO: simplify, handle in renderable.state???
                 // uAlpha is updated in "render" so we need to recompute it here
                 const alpha = clamp(r.values.alpha.ref.value * r.state.alphaFactor, 0, 1);
-                if (alpha < 1 || r.values.transparencyAverage.ref.value > 0 || r.values.dPointStyle?.ref.value === 'fuzzy' || !!r.values.uBackgroundColor || r.values.dXrayShaded?.ref.value) {
+                if ((alpha < 1 && alpha !== 0) || r.values.transparencyAverage.ref.value > 0 || r.values.dPointStyle?.ref.value === 'fuzzy' || !!r.values.uBackgroundColor || r.values.dXrayShaded?.ref.value) {
                     renderObject(r, 'colorDpoit', Flag.None);
                 }
             }