bedrock-samples/resource_pack/render_controllers/strider.render_controllers.json

{
  "format_version": "1.8.0",
  "render_controllers": {
    "controller.render.strider": {
		"arrays": {
	        "textures": {
          		"Array.base": [
          			"Texture.default",
          			"Texture.saddled"
          		],
          		"Array.suffocated": [
          			"Texture.suffocated",
          			"Texture.suffocated_saddled"
          		]
	        }
      	},
		"geometry": "Geometry.default",
		"materials": [
			{ "*": "Material.default" }
		],
		"textures": [
			"query.is_shaking ? Array.suffocated[query.is_saddled] : Array.base[query.is_saddled]"
		]
    }
  }
}