Synthasmagoria/transformation_visualizer
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Scale matrix add

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Synthasmagoria 2026-08-02 14:09:48 +02:00
commit 3920dfd39a
2 changed files with 60 additions and 27 deletions
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63
program.odin
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@ -96,6 +96,19 @@ program: Program
InputFloatField :: [32]byte
MATRIX_POOL_SIZE :: 4096
DIALOG_STATE_INPUT_FIELD_COUNT :: 16
ProgramData_DialogState :: struct {
input_value_strings: [DIALOG_STATE_INPUT_FIELD_COUNT]InputFloatField,
input_values: [DIALOG_STATE_INPUT_FIELD_COUNT]f32,
}
program_data_dialog_state_data_reset :: proc(data: ^ProgramData_DialogState) {
data^ = {}
for i in 0..<DIALOG_STATE_INPUT_FIELD_COUNT {
data.input_value_strings[i][0] = '0'
}
}
Program :: struct {
ui_context: ui.Context,
ui_element_focus: ui.ElementId,
@ -113,6 +126,7 @@ Program :: struct {
state: ProgramState,
message_type: ProgramMessageType,
dialog_type: ProgramDialogType,
dialog_data: ProgramData_DialogState,
}
Grid :: struct {
@ -133,6 +147,7 @@ matrix_pool_get_mat3 :: proc() -> ^mat3 {
}
program_show_dialog :: proc(program: ^Program, dialog_type: ProgramDialogType) {
program_data_dialog_state_data_reset(&program.dialog_data)
program.state = .Dialog
program.dialog_type = dialog_type
}
@ -187,20 +202,39 @@ program_update :: proc() {
grid_inner_position := rect_get_tl(grid.inner_area)
draw_grid(grid.area, {32.0, 32.0}, rl.GRAY)
program_render_ui(&program.ui_context, program.font_style, ui_elements)
program_render_ui(&program.ui_overlay_context, program.font_style, ui_overlay_elements)
program.ui_element_focus = program_render_ui_and_handle_focus(&program.ui_context, program.ui_element_focus, program.font_style, ui_elements)
program.ui_overlay_element_focus = program_render_ui_and_handle_focus(&program.ui_overlay_context, program.ui_overlay_element_focus, program.font_style, ui_overlay_elements)
}
program_build_dialog_ui :: proc(ctx: ^ui.Context) -> []ui.Element {
size := v2{WINDOW_WIDTH, WINDOW_HEIGHT}
margin := size * 0.33
container_margin := size * 0.33
element_margin: f32 = 4.0
dialog_data := &program.dialog_data
ui.start(ctx, V2_ZERO, {WINDOW_WIDTH, WINDOW_HEIGHT})
ui.container_begin({ui.Size_Percentage(1.0), ui.Size_Percentage(1.0)}, {margin = margin, padding = 4.0})
ui.element(.Label, {}, {label = "Create a scale matrix", color = ui.col(rl.WHITE), margin = 4.0})
ui.container_begin(ui.dimensions_auto(), {margin = container_margin, padding = 8.0})
ui.element(.Label, {}, {label = "Create a scale matrix", color = ui.col(rl.WHITE), margin = element_margin})
ui_labeled_input_float_element("X", 4.0, &dialog_data.input_values[0], &dialog_data.input_value_strings[0])
ui_labeled_input_float_element("Y", 4.0, &dialog_data.input_values[0], &dialog_data.input_value_strings[0])
ui_labeled_input_float_element("Z", 4.0, &dialog_data.input_values[0], &dialog_data.input_value_strings[0])
ui.element(.Button, ui.dimensions_pixels({96.0, 32.0}), {label = "Add", margin = element_margin})
ui.same_line()
ui.element(.Button, ui.dimensions_pixels({96.0, 32.0}), {label = "Cancel", margin = element_margin})
ui.container_end()
return ui.end()
}
ui_labeled_input_float_element :: proc(label: cstring, margin: f32, value: ^f32, value_string: ^InputFloatField, allocator := context.temp_allocator) -> ^ui.Element {
label := fmt.ctprintf("%s: ", label)
label_element := ui.element(.Label, {}, {label = label, color = ui.col(rl.WHITE), margin = margin})
dimensions := ui.Dimensions{ui.Size_Pixels(64.0), ui.dimensions_pixels(ui.rect_get_size(ui.get_element_outer_area(label_element^))).height}
ui.same_line()
input_data := new(UiElementData_FloatInput, context.temp_allocator)
input_data^ = {value = value, value_string = cstring(&value_string[0])}
return ui.element(.InputFloat, dimensions, {margin = margin}, input_data)
}
program_handle_mouse_workspace :: proc(mouse_state: MouseState, matrix_container: ^ui.Element) -> MouseState {
mouse := rl.GetMousePosition()
switch mouse_state {
@ -267,10 +301,11 @@ program_build_workspace_ui :: proc(ctx: ^ui.Context) -> (elements: []ui.Element,
return
}
program_render_ui :: proc(ctx: ^ui.Context, font_style: FontStyle, elements: []ui.Element) {
program_render_ui_and_handle_focus :: proc(ctx: ^ui.Context, focus_element_id: ui.ElementId, font_style: FontStyle, elements: []ui.Element) -> (focus: ui.ElementId) {
scissor_container: ^ui.Element
render_above: ui.Element
render_above.id = ui.element_id_invalid()
focus_element_id := focus_element_id
for &element in elements {
offset: v2
@ -322,20 +357,20 @@ program_render_ui :: proc(ctx: ^ui.Context, font_style: FontStyle, elements: []u
rl.GuiSlider(area, element.label, "", data.value, data.min, data.max)
case .InputFloat:
data := cast(^UiElementData_FloatInput)element.data
if rl.GuiValueBoxFloat(area, element.label, data.value_string, data.value, program.ui_element_focus == element.id) == 1 {
program.ui_element_focus = element.id
if rl.GuiValueBoxFloat(area, element.label, data.value_string, data.value, focus_element_id == element.id) == 1 {
focus_element_id = element.id
}
case .Dropdown:
assert(element.data != nil, "Element data cannot be nil when creating a dropdown")
data := cast(^UiElementData_Dropdown)element.data
if program.ui_element_focus == element.id {
if focus_element_id == element.id {
render_above = element
} else {
if rl.GuiDropdownBox(area, element.label, data.value, program.ui_element_focus == element.id) {
if program.ui_element_focus == element.id {
program.ui_element_focus = ui.element_id_invalid()
if rl.GuiDropdownBox(area, element.label, data.value, focus_element_id == element.id) {
if focus_element_id == element.id {
focus_element_id = ui.element_id_invalid()
} else {
program.ui_element_focus = element.id
focus_element_id = element.id
}
}
}
@ -364,6 +399,8 @@ program_render_ui :: proc(ctx: ^ui.Context, font_style: FontStyle, elements: []u
}
}
}
return focus_element_id
}
ui_measure_text :: proc(str: cstring, font_data: rawptr) -> ui.v2 {