handle point size per object

Author: Licini

docs/examples/object/points.py

@@ -7,7 +7,7 @@
 viewer = Viewer()
 for i in range(10):
     point = Point(random() * 10, random() * 10, random() * 10)
-    viewer.scene.add(point, pointcolor=Color(random(), random(), random()), pointsize=30)
+    viewer.scene.add(point, pointcolor=Color(random(), random(), random()), pointsize=random() * 50)
 
 
 viewer.show()

src/compas_viewer/renderer/renderer.py

@@ -410,7 +410,6 @@ def init(self):
         self.shader_model.uniform3f("selection_color", self.viewer.config.renderer.selectioncolor.rgb)
         self.shader_model.uniformBuffer("transformBuffer", self.buffer_manager.transform_texture, unit=0)
         self.shader_model.uniformBuffer("settingsBuffer", self.buffer_manager.settings_texture, unit=1)
-        self.shader_model.uniform1f("pointSize", 10.0)
         self.shader_model.release()
 
         self.shader_tag = Shader(name="tag")
@@ -554,7 +553,6 @@ def paint(self, is_instance: bool = False):
         self.shader_model.uniform3f("selection_color", self.viewer.config.renderer.selectioncolor.rgb)
         self.shader_model.uniformBuffer("transformBuffer", self.buffer_manager.transform_texture, unit=0)
         self.shader_model.uniformBuffer("settingsBuffer", self.buffer_manager.settings_texture, unit=1)
-        self.shader_model.uniform1f("pointSize", 10.0)
 
         self.shader_model.uniform4x4("viewworld", viewworld)
         self.shader_model.uniform1i("is_instance", is_instance)

src/compas_viewer/renderer/shaders/model.vert

@@ -11,7 +11,6 @@ uniform mat4 viewworld;
 uniform samplerBuffer transformBuffer;
 uniform samplerBuffer settingsBuffer;
 uniform bool is_grid;
-uniform float pointSize;
 
 // Outputs
 out vec4 vertex_color;
@@ -55,6 +54,8 @@ void main() {
         texelFetch(transformBuffer, int(object_index * 4) + 3)
     ));
 
+    float pointSize = 1.0;
+
     // Set visibility and display settings
     if (is_grid) {
         show = show_points = show_lines = show_faces = 1.0;
@@ -71,6 +72,8 @@ void main() {
         instance_color = vec4(settings_row2.rgb, 1.0);
         is_selected = getEffectiveSelection(object_index);
         object_opacity = settings_row3.g;
+        pointSize = settings_row3.b;
+
     }
 
     // Calculate final position

src/compas_viewer/scene/buffermanager.py

@@ -84,7 +84,7 @@ def add_object(self, obj: Any) -> None:
         obj_settings = [
             [obj.show, obj.show_points, obj.show_lines, obj.show_faces],  # Row 1
             [*instance_color, obj.is_selected],  # Row 2
-            [parent_index, obj.opacity, 0.0, 0.0],  # Row 3: parent index and padding
+            [parent_index, obj.opacity, obj.pointsize, 0.0],  # Row 3: parent index and padding
         ]
         self.settings.append(obj_settings)
 
@@ -310,7 +310,7 @@ def update_object_settings(self, obj: Any) -> None:
         obj_settings = [
             [obj.show, obj.show_points, obj.show_lines, obj.show_faces],  # Row 1
             [*instance_color, obj.is_selected],  # Row 2
-            [parent_index, obj.opacity, 0.0, 0.0],  # Row 3: parent index and padding
+            [parent_index, obj.opacity, obj.pointsize, 0.0],  # Row 3: parent index and padding
         ]
         index = self.objects[obj]
         self.settings[index] = obj_settings