Add the HAS_EARS var and rename the RENDER_EARS to RENDER_COLOR_EARS

Add the HAS_EARS variable to be able to generate bottle clips without ears.
Rename the RENDER_EARS to RENDER_COLOR_EARS

generate_bottle_tag.sh

@@ -18,16 +18,25 @@ render() {
 			CLIP=true
 			TEXT=false
 			LOGO=false
+			EARS=false
 			;;
 		name)
 			CLIP=false
 			TEXT=true
 			LOGO=false
+			EARS=false
 			;;
 		logo)
 			CLIP=false
 			TEXT=false
 			LOGO=true
+			EARS=false
+			;;
+		ears)
+			CLIP=false
+			TEXT=false
+			LOGO=false
+			EARS=true
 			;;
 		*)
 			echo 'fatal: invalid part' >&2
@@ -50,6 +59,7 @@ render() {
 		-D "RENDER_COLOR_CLIP=${CLIP}" \
 		-D "RENDER_COLOR_TEXT=${TEXT}" \
 		-D "RENDER_COLOR_LOGO=${LOGO}" \
+		-D "RENDER_COLOR_EARS=${EARS}" \
 		-o "stls/c3cat-bottle-clip-v${VERSION}_BOTTLE${BOTTLE_FORMAT}_${NAME}_${PART}.stl" \
 		c3cat-bottle-clip/c3cat-bottle-clip.scad
 }
@@ -59,7 +69,7 @@ cd "$(dirname $0)"
 for BOTTLE_FORMAT in 0 1 2
 do
 	echo "Generating bottle format ${BOTTLE_FORMAT}"
-	for PART in body logo name
+	for PART in body logo name ears
 	do
 		render "$NAME" "$PART" "$BOTTLE_FORMAT"
 		sleep 1