Started on ui

program.odin

@@ -97,12 +97,47 @@ program_init :: proc(allocator := context.allocator) {
 }
 
 program_update :: proc() {
-
+	ui_elements := program_build_ui()
+	program_render_ui(ui_elements)
 }
 
-program_build_ui :: proc() {
+program_build_ui :: proc() -> []ui.Element {
+	container_margin: f32 = 4.0
+	container_config := ui.ElementConfiguration {
+		margin = V2_ONE * container_margin,
 	}
 
-program_render_ui :: proc() {
-
+	ui.start(&program.ui_context, {0, 0}, {WINDOW_WIDTH, WINDOW_HEIGHT})
+	top_bar_container := ui.container_begin({ui.Size_Percentage(1.0), ui.Size_Pixels(64.0)}, container_config)
+	top_bar_inner_height := ui.get_element_inner_area(top_bar_container^).height
+	top_bar_button_dimensions := ui.Dimensions {ui.Size_Pixels(top_bar_inner_height), ui.Size_Pixels(top_bar_inner_height)}
+	top_bar_button_config := ui.ElementConfiguration {margin = {4.0, 4.0}}
+	{
+		config := top_bar_button_config
+		config.label = "+"
+		ui.button(top_bar_button_dimensions, config)
+		config.label = "-"
+		ui.same_line()
+		ui.button(top_bar_button_dimensions, config)
+	}
+	ui.container_end()
+
+	side_bar_container := ui.container_begin({ui.Size_Percentage(0.3), ui.Size_Percentage(1.0)}, container_config)
+	ui.container_end()
+	return ui.end()
+}
+
+program_render_ui :: proc(elements: []ui.Element) {
+	for element in elements {
+		area := rl.Rectangle(element.area)
+		switch element.type {
+		case .Container:
+			rl.GuiGroupBox(area, element.label)
+		case .Button:
+			rl.GuiButton(area, element.label)
+		case .Slider:
+			data := element.data.float_input_data
+			rl.GuiSlider(area, element.label, "", data.value, data.min, data.max)
+		}
+	}
 }

utils.odin

@@ -70,6 +70,8 @@ irect2 :: struct {x, y, width, height: i32}
 tri2 :: [3]v2
 Bezier :: [3]v2
 
+V2_ONE :: v2{1.0, 1.0}
+
 /// ### MISCELANIOUS ### ///
 enum_to_raygui_options_string :: proc($T: typeid, allocator: mem.Allocator) -> cstring where intrinsics.type_is_enum(T) {
 	b := strings.builder_make(allocator)