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Improve the 3D light gizmos

Browse Source 
OmniLight and SpotLight gizmos were tweaked to better represent
their depth in the 3D world.

The default light gizmo color was changed to match the gizmo
icon color closely.
This commit is contained in:
Hugo Locurcio
2019-09-16 23:07:24 +02:00
parent 3e782c78ae
commit bfa246cda8
1 changed files with 50 additions and 37 deletions
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87
editor/spatial_editor_gizmos.cpp
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@@ -783,9 +783,10 @@ Vector3 EditorSpatialGizmo::get_handle_pos(int p_idx) const {
LightSpatialGizmoPlugin::LightSpatialGizmoPlugin() {
Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/light", Color(1, 1, 0.2));
Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/light", Color(1, 1, 0.7));
create_material("lines", gizmo_color);
create_material("lines_primary", gizmo_color);
create_material("lines_secondary", gizmo_color * Color(1, 1, 1, 0.35));
create_material("lines_billboard", gizmo_color, true);
create_icon_material("light_directional_icon", SpatialEditor::get_singleton()->get_icon("GizmoDirectionalLight", "EditorIcons"));
@@ -937,7 +938,7 @@ void LightSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
if (Object::cast_to<DirectionalLight>(light)) {
Ref<Material> material = get_material("lines", p_gizmo);
Ref<Material> material = get_material("lines_primary", p_gizmo);
Ref<Material> icon = get_material("light_directional_icon", p_gizmo);
const int arrow_points = 7;
@@ -975,31 +976,39 @@ void LightSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
if (Object::cast_to<OmniLight>(light)) {
Ref<Material> material = get_material("lines_billboard", p_gizmo);
Ref<Material> icon = get_material("light_omni_icon", p_gizmo);
// Use both a billboard circle and 3 non-billboard circles for a better sphere-like representation
const Ref<Material> lines_material = get_material("lines_secondary", p_gizmo);
const Ref<Material> lines_billboard_material = get_material("lines_billboard", p_gizmo);
const Ref<Material> icon = get_material("light_omni_icon", p_gizmo);
OmniLight *on = Object::cast_to<OmniLight>(light);
float r = on->get_param(Light::PARAM_RANGE);
const float r = on->get_param(Light::PARAM_RANGE);
Vector<Vector3> points;
Vector<Vector3> points_billboard;
for (int i = 0; i <= 360; i++) {
for (int i = 0; i < 120; i++) {
float ra = Math::deg2rad((float)i);
float rb = Math::deg2rad((float)i + 1);
Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * r;
Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * r;
// Create a circle
const float ra = Math::deg2rad((float)(i * 3));
const float rb = Math::deg2rad((float)((i + 1) * 3));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * r;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * r;
/*points.push_back(Vector3(a.x,0,a.y));
points.push_back(Vector3(b.x,0,b.y));
points.push_back(Vector3(0,a.x,a.y));
points.push_back(Vector3(0,b.x,b.y));*/
// Draw axis-aligned circles
points.push_back(Vector3(a.x, 0, a.y));
points.push_back(Vector3(b.x, 0, b.y));
points.push_back(Vector3(0, a.x, a.y));
points.push_back(Vector3(0, b.x, b.y));
points.push_back(Vector3(a.x, a.y, 0));
points.push_back(Vector3(b.x, b.y, 0));
// Draw a billboarded circle
points_billboard.push_back(Vector3(a.x, a.y, 0));
points_billboard.push_back(Vector3(b.x, b.y, 0));
}
p_gizmo->add_lines(points, material, true);
p_gizmo->add_lines(points, lines_material, true);
p_gizmo->add_lines(points_billboard, lines_billboard_material, true);
p_gizmo->add_unscaled_billboard(icon, 0.05);
Vector<Vector3> handles;
@@ -1009,40 +1018,44 @@ void LightSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
if (Object::cast_to<SpotLight>(light)) {
Ref<Material> material = get_material("lines", p_gizmo);
Ref<Material> icon = get_material("light_spot_icon", p_gizmo);
const Ref<Material> material_primary = get_material("lines_primary", p_gizmo);
const Ref<Material> material_secondary = get_material("lines_secondary", p_gizmo);
const Ref<Material> icon = get_material("light_spot_icon", p_gizmo);
Vector<Vector3> points;
Vector<Vector3> points_primary;
Vector<Vector3> points_secondary;
SpotLight *sl = Object::cast_to<SpotLight>(light);
float r = sl->get_param(Light::PARAM_RANGE);
float w = r * Math::sin(Math::deg2rad(sl->get_param(Light::PARAM_SPOT_ANGLE)));
float d = r * Math::cos(Math::deg2rad(sl->get_param(Light::PARAM_SPOT_ANGLE)));
for (int i = 0; i < 360; i++) {
for (int i = 0; i < 120; i++) {
float ra = Math::deg2rad((float)i);
float rb = Math::deg2rad((float)i + 1);
Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * w;
Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * w;
// Draw a circle
const float ra = Math::deg2rad((float)(i * 3));
const float rb = Math::deg2rad((float)((i + 1) * 3));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * w;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * w;
points.push_back(Vector3(a.x, a.y, -d));
points.push_back(Vector3(b.x, b.y, -d));
points_primary.push_back(Vector3(a.x, a.y, -d));
points_primary.push_back(Vector3(b.x, b.y, -d));
if (i % 90 == 0) {
points.push_back(Vector3(a.x, a.y, -d));
points.push_back(Vector3());
if (i % 15 == 0) {
// Draw 8 lines from the cone origin to the sides of the circle
points_secondary.push_back(Vector3(a.x, a.y, -d));
points_secondary.push_back(Vector3());
}
}
points.push_back(Vector3(0, 0, -r));
points.push_back(Vector3());
points_primary.push_back(Vector3(0, 0, -r));
points_primary.push_back(Vector3());
p_gizmo->add_lines(points, material);
p_gizmo->add_lines(points_primary, material_primary);
p_gizmo->add_lines(points_secondary, material_secondary);
float ra = 16 * Math_PI * 2.0 / 64.0;
Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * w;
const float ra = 16 * Math_PI * 2.0 / 64.0;
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * w;
Vector<Vector3> handles;
handles.push_back(Vector3(0, 0, -r));