scatter chart feature complete

addons/easy_charts/control_charts/ScatterChart/scatter_chart.gd

@@ -2,7 +2,11 @@ extends Chart
 class_name ScatterChart
 
 signal point_entered(point)
-signal point_exited(point)
+
+var focused_point: Point = null
+
+var points: Array = []
+var _point_box_rad: int = 10
 
 
 # Called when the node enters the scene tree for the first time.
@@ -20,16 +24,76 @@ func plot(x: Array, y: Array, drawing_options: DrawingOptions = null, chart_prop
 	
 	update()
 
+func _clear_points() -> void:
+	points = []
+
+func _get_point_box(point: Point, rad: int) -> Rect2:
+	return Rect2(point.position - (Vector2.ONE * rad), (Vector2.ONE * rad * 2))
+
+func _move_tooltip(position: Vector2) -> void:
+	$Label.set_position(position + (Vector2.ONE * 15))
+
+func _show_tooltip(position: Vector2, text: String) -> void:
+	_move_tooltip(position)
+	$Label.show()
+	$Label.set_text(text)
+	$Label.set_size(Vector2.ZERO)
+
+func _hide_tooltip() -> void:
+	$Label.hide()
+	$Label.set_text("")
+	$Label.set_size(Vector2.ZERO)
+
+func _input(event: InputEvent):
+	if event is InputEventMouse:
+		for point in points:
+			if _get_point_box(point, _point_box_rad).abs().has_point(event.position):
+				if focused_point == point:
+					_move_tooltip(event.position)
+					return
+				else:
+					focused_point = point
+					_show_tooltip(event.position, str(focused_point.value))
+					emit_signal("point_entered", point)
+					return
+		# Mouse is not in any point's box
+		focused_point = null
+		_hide_tooltip()
+
 func _draw_point(point: Point, function_index: int) -> void:
-	var point_container: PointContainer = point_container_scene.instance()
-	$Points.add_child(point_container)
-	point_container.set_point(
-		point,
-		drawing_options.get_function_color(function_index),
-		drawing_options.get_point_shape(function_index)
-	)
-	point_container.connect("point_entered", self, "_on_point_entered")
-	point_container.connect("point_exited", self, "_on_point_exited")
+	points.append(point)
+	
+	match drawing_options.get_point_shape(function_index):
+		Point.Shape.CIRCLE:
+			draw_circle(point.position, drawing_options.point_radius,  drawing_options.get_function_color(function_index))
+		Point.Shape.SQUARE:
+			draw_rect(_get_point_box(point, drawing_options.point_radius), drawing_options.get_function_color(function_index), true, 1.0, false)
+		Point.Shape.TRIANGLE:
+			draw_colored_polygon(
+				PoolVector2Array([
+					point.position + (Vector2.UP * drawing_options.point_radius * 1.3),
+					point.position + (Vector2.ONE * drawing_options.point_radius * 1.3),
+					point.position - (Vector2(1, -1) * drawing_options.point_radius * 1.3)
+				]), drawing_options.get_function_color(function_index), [], null, null, false
+			)
+		Point.Shape.CROSS:
+			draw_line(
+				point.position - (Vector2.ONE * drawing_options.point_radius),
+				point.position + (Vector2.ONE * drawing_options.point_radius),
+				drawing_options.get_function_color(function_index), drawing_options.point_radius, true
+			)
+			draw_line(
+				point.position + (Vector2(1, -1) * drawing_options.point_radius),
+				point.position + (Vector2(-1, 1) * drawing_options.point_radius),
+				drawing_options.get_function_color(function_index), drawing_options.point_radius / 2, true
+			)
+	
+#	# (debug)
+#	draw_rect(
+#		_get_point_box(point, _point_box_rad),
+#		Color.red,
+#		false, 1, true
+#	)
 
 func _draw_points() -> void:
 	var validation: int = _validate_sampled_axis(x_sampled, y_sampled)
@@ -50,9 +114,3 @@ func _draw_points() -> void:
 			var sampled_point_pos: Vector2 = Vector2(x_sampled.values[i], y_sampled.values[i])
 			var point: Point = Point.news(sampled_point_pos, real_point_val)
 			_draw_point(point, i)
-
-func _on_point_entered(point: Point) -> void:
-	emit_signal("point_entered", point)
-
-func _on_point_exited(point: Point) -> void:
-	emit_signal("point_exited", point)

addons/easy_charts/control_charts/ScatterChart/scatter_chart.tscn

@@ -1,7 +1,10 @@
-[gd_scene load_steps=2 format=2]
+[gd_scene load_steps=3 format=2]
 
 [ext_resource path="res://addons/easy_charts/control_charts/ScatterChart/scatter_chart.gd" type="Script" id=1]
 
+[sub_resource type="StyleBoxFlat" id=1]
+bg_color = Color( 1, 1, 1, 1 )
+
 [node name="ScatterChart" type="Control"]
 anchor_right = 1.0
 anchor_bottom = 1.0
@@ -10,13 +13,13 @@ __meta__ = {
 "_edit_use_anchors_": true
 }
 
-[node name="Points" type="Control" parent="."]
-anchor_right = 1.0
-anchor_bottom = 1.0
-__meta__ = {
-"_edit_use_anchors_": true
-}
-
 [node name="Canvas" type="Control" parent="."]
 anchor_right = 1.0
 anchor_bottom = 1.0
+
+[node name="Label" type="Label" parent="."]
+visible = false
+margin_right = 40.0
+margin_bottom = 14.0
+custom_colors/font_color = Color( 0, 0, 0, 1 )
+custom_styles/normal = SubResource( 1 )

addons/easy_charts/control_charts/chart.gd

@@ -47,10 +47,6 @@ var _x_ticklabel_size: Vector2 # offset only on the X axis
 var _x_ticklabel_offset: int = 5 # offset only on the X axis
 var _x_tick_size: int = 7
 
-
-var point_container_scene: PackedScene = preload("res://addons/easy_charts/utilities/containers/point_container/point_container.tscn")
-
-
 ###########
 func plot(x: Array, y: Array, drawing_options: DrawingOptions = DrawingOptions.new(), chart_properties: ChartProperties = ChartProperties.new()) -> void:
 	pass
@@ -342,8 +338,9 @@ func _draw_title() -> void:
 	)
 
 func _clear_points() -> void:
-	for point in $Points.get_children():
-		point.queue_free()
+	pass
+#	for point in $Points.get_children():
+#		point.queue_free()
 
 func _clear_canvas_labels() -> void:
 	for label in $Canvas.get_children():

addons/easy_charts/utilities/classes/plotting/drawing_options.gd

@@ -16,7 +16,7 @@ var colors: Dictionary = {
 	functions = [Color.red, Color.green, Color.blue, Color.black]
 }
 
-var shapes: Array = [PointContainer.PointShape.CIRCLE, PointContainer.PointShape.SQUARE, PointContainer.PointShape.TRIANGLE, PointContainer.PointShape.CROSS]
+var shapes: Array = [Point.Shape.CIRCLE, Point.Shape.SQUARE, Point.Shape.TRIANGLE, Point.Shape.CROSS]
 var point_radius: float = 3.0
 var font: BitmapFont = Label.new().get_font("")
 
@@ -24,4 +24,4 @@ func get_function_color(function_index: int) -> Color:
 	return colors.functions[function_index] if function_index < colors.functions.size() else Color.black
 
 func get_point_shape(function_index: int) -> int:
-	return shapes[function_index] if function_index < shapes.size() else PointContainer.PointShape.CIRCLE
+	return shapes[function_index] if function_index < shapes.size() else Point.Shape.CIRCLE

addons/easy_charts/utilities/classes/plotting/point.gd

@@ -2,6 +2,13 @@ tool
 extends Reference
 class_name Point
 
+enum Shape {
+	CIRCLE,
+	TRIANGLE,
+	SQUARE,
+	CROSS
+}
+
 var position: Vector2
 var value: Pair
 

addons/easy_charts/utilities/containers/point_container/point_container.gd

@@ -1,81 +0,0 @@
-extends Control
-class_name PointContainer
-
-signal point_entered(point)
-signal point_exited(point)
-
-enum PointShape {
-	CIRCLE,
-	TRIANGLE,
-	SQUARE,
-	CROSS
-}
-
-var point: Point
-var color: Color
-var radius: float
-var shape: int
-var label: String
-
-func _ready():
-	pass
-
-func set_point(point: Point, color: Color = Color.black, shape: int = PointShape.CIRCLE, radius: float = 3.0) -> void:
-	self.point = point
-	self.color = color
-	self.shape = shape
-	self.radius = radius
-	
-	auto_pos(self.point.position)
-
-func auto_pos(pos: Vector2) -> void:
-	self.rect_position += pos
-
-func _draw_bounding_box() -> void:
-	var t_gr: Rect2 = get_global_rect()
-	draw_rect(Rect2(Vector2.ZERO, get_rect().size), Color.black, false, 1, true)
-
-func _draw_label() -> void:
-	var lbl: Label = Label.new()
-	add_child(lbl)
-	lbl.rect_position += self.rect_size
-	lbl.text = str(label)
-
-func _draw_point() -> void:
-	var point_rel_pos: Vector2 = self.rect_size * 0.5
-	
-	match self.shape:
-		PointShape.CIRCLE:
-			draw_circle(point_rel_pos, self.radius,  self.color)
-		PointShape.SQUARE:
-			draw_rect(Rect2(point_rel_pos * 0.5, point_rel_pos), self.color, true, 1.0, false)
-		PointShape.TRIANGLE:
-			draw_colored_polygon(
-				PoolVector2Array([
-					point_rel_pos + (Vector2.UP * self.radius * 1.5),
-					point_rel_pos + (Vector2.ONE * self.radius * 1.5),
-					point_rel_pos - (Vector2(1, -1) * self.radius * 1.5)
-				]), self.color, [], null, null, false
-			)
-		PointShape.CROSS:
-			draw_line(
-				point_rel_pos - (Vector2.ONE * self.radius),
-				point_rel_pos + (Vector2.ONE * self.radius),
-				self.color, self.radius, true
-			)
-			draw_line(
-				point_rel_pos + (Vector2(1, -1) * self.radius),
-				point_rel_pos + (Vector2(-1, 1) * self.radius),
-				self.color, self.radius / 2, true
-			)
-
-func _draw():
-#	_draw_bounding_box()
-	_draw_point()
-#	_draw_label()
-
-func _on_PointContainer_mouse_entered():
-	emit_signal("point_entered", self.point)
-
-func _on_PointContainer_mouse_exited():
-	emit_signal("point_exited", self.point)

addons/easy_charts/utilities/containers/point_container/point_container.tscn

@@ -1,13 +0,0 @@
-[gd_scene load_steps=2 format=2]
-
-[ext_resource path="res://addons/easy_charts/utilities/containers/point_container/point_container.gd" type="Script" id=1]
-
-[node name="PointContainer" type="Control"]
-margin_left = -8.0
-margin_top = -8.0
-margin_right = 8.0
-margin_bottom = 8.0
-script = ExtResource( 1 )
-
-[connection signal="mouse_entered" from="." to="." method="_on_PointContainer_mouse_entered"]
-[connection signal="mouse_exited" from="." to="." method="_on_PointContainer_mouse_exited"]