render_shapelist3d function for visualizing arbitrary mesh objects.

NAMESPACE

@@ -51,6 +51,7 @@ export(render_polygons)
 export(render_raymesh)
 export(render_resize_window)
 export(render_scalebar)
+export(render_shapelist3d)
 export(render_snapshot)
 export(render_tree)
 export(render_water)

R/render_shapelist3d.R

@@ -0,0 +1,59 @@
+#'@title Render a generic mesh3d
+#'
+#'@description Places a mesh shapelists to the current scene, using latitude/longitude or coordinates in the reference
+#'
+#
+#'@param shapelist The shapelists RGL meshes generated with shapelist3d function
+#'@param color Default NULL.
+#'
+#'@return Adds shapelists to current scene. No return value.
+#'@export
+#'@examples
+#'#Add a North arrow to the map, by default in the bottom right (SE)
+#'if(interactive()) {
+#'\dontrun{
+#'montereybay %>%
+#'  sphere_shade() %>%
+#'  plot_3d(montereybay,theta=-45, water=TRUE)
+#' 
+#'render_shapelist3d(shapelist3d(icosahedron3d(), 
+#'                   x = rnorm(3, sd = shape.scale), y = rnorm(3, sd = shape.scale),
+#'                   z = rnorm(3, mean = shape.scale, sd = shape.scale), 
+#'                   alpha = 0.3, col = 1:5, size = 10, plot = FALSE))
+#' 
+#'render_snapshot()
+#'
+#'
+#'#We can change the colors in the compass, and also set it a constant distance away with
+#'#`position_circular = TRUE`:
+#'
+#'render_camera(theta=0,phi=45,zoom=0.75)
+#' 
+#'render_shapelist3d(shapelist3d(icosahedron3d(), 
+#'                   x = rnorm(3, sd = shape.scale), y = rnorm(3, sd = shape.scale),
+#'                   z = rnorm(3, mean = shape.scale, sd = shape.scale), 
+#'                   alpha = 0.3, col = 1:5, size = 10, plot = FALSE))
+#' 
+
+#'render_snapshot(clear=TRUE)
+#'}
+#'}
+#'
+render_shapelist3d = function(shapelist = shapelist3d(icosahedron3d(), x = 0, y = 0,
+                                                      z = 0, col = 1, size = 40, plot = FALSE),
+                              color = NULL
+                              ) {
+  if(rgl::rgl.cur() == 0) {
+    stop("No rgl window currently open.")
+  }
+  change_color_shape = function(shapes, color, shape_index) {
+    color = convert_color(color, as_hex = TRUE)
+    shapes[[shape_index]]$material$color = color
+    shapes
+  }
+  if (!is.null(color)){
+    shapelist = change_color_shape(shapelist, color, 1)
+  }
+  #rgl::rgl.material(color = color, ambient = ambient, size = 1)
+  rgl::shade3d(shapelist, skipRedraw = FALSE)
+}