Website updates

Author: tschaub

dist/en/main/examples/common.js

@@ -505,8 +505,7 @@ void main(void) {
   } else {
     offsetPx += halfSizePx * vec2(-1., 1.);
   }
-  float angle = ${this.symbolRotationExpression_};
-  ${this.symbolRotateWithView_ ? 'angle += u_rotation;' : ''}
+  float angle = ${this.symbolRotationExpression_}${this.symbolRotateWithView_ ? ' + u_rotation' : ''};
   float c = cos(-angle);
   float s = sin(-angle);
   offsetPx = vec2(c * offsetPx.x - s * offsetPx.y, s * offsetPx.x + c * offsetPx.y);
@@ -520,7 +519,7 @@ void main(void) {
   v_angle = angle;
   c = cos(-v_angle);
   s = sin(-v_angle);
-  centerOffsetPx = vec2(c * centerOffsetPx.x - s * centerOffsetPx.y, s * centerOffsetPx.x + c * centerOffsetPx.y); 
+  centerOffsetPx = vec2(c * centerOffsetPx.x - s * centerOffsetPx.y, s * centerOffsetPx.x + c * centerOffsetPx.y);
   v_centerPx = screenToPx(center.xy) + centerOffsetPx;
 ${this.attributes_
   .map(
@@ -662,7 +661,7 @@ void main(void) {
   vec2 normalPx = vec2(-tangentPx.y, tangentPx.x);
   segmentStartPx = getOffsetPoint(segmentStartPx, normalPx, v_angleStart, lineOffsetPx),
   segmentEndPx = getOffsetPoint(segmentEndPx, normalPx, v_angleEnd, lineOffsetPx);
-  
+
   // compute current vertex position
   float normalDir = vertexNumber < 0.5 || (vertexNumber > 1.5 && vertexNumber < 2.5) ? 1.0 : -1.0;
   float tangentDir = vertexNumber < 1.5 ? 1.0 : -1.0;
@@ -820,7 +819,7 @@ ${this.attributes_
       `  ${attribute.varyingType} ${attribute.name} = ${attribute.varyingName}; // assign to original attribute name`,
   )
   .join('\n')}
-      
+
   vec2 currentPoint = gl_FragCoord.xy / u_pixelRatio;
   #ifdef GL_FRAGMENT_PRECISION_HIGH
   vec2 worldPos = pxToWorld(currentPoint);
@@ -844,7 +843,11 @@ ${this.attributes_
   float currentLengthPx = lengthToPoint + v_distanceOffsetPx;
   float currentRadiusPx = distanceFromSegment(currentPoint, v_segmentStart, v_segmentEnd);
   float currentRadiusRatio = dot(segmentNormal, startToPoint) * 2. / v_width;
-  currentLineMetric = mix(v_measureStart, v_measureEnd, lengthToPoint / segmentLength);
+  currentLineMetric = mix(
+    v_measureStart,
+    v_measureEnd,
+    lengthToPoint / max(segmentLength, 1.17549429e-38)
+  );
 
   if (${this.discardExpression_}) { discard; }