diff options
Diffstat (limited to 'modules/gltf/extensions/gltf_light.cpp')
| -rw-r--r-- | modules/gltf/extensions/gltf_light.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/modules/gltf/extensions/gltf_light.cpp b/modules/gltf/extensions/gltf_light.cpp index f6e91c1635..2bdcab2f0c 100644 --- a/modules/gltf/extensions/gltf_light.cpp +++ b/modules/gltf/extensions/gltf_light.cpp @@ -30,6 +30,7 @@ #include "gltf_light.h" +#include "../structures/gltf_object_model_property.h" #include "scene/3d/light_3d.h" void GLTFLight::_bind_methods() { @@ -62,6 +63,21 @@ void GLTFLight::_bind_methods() { ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "outer_cone_angle"), "set_outer_cone_angle", "get_outer_cone_angle"); // float } +void GLTFLight::set_cone_inner_attenuation_conversion_expressions(Ref<GLTFObjectModelProperty> &r_obj_model_prop) { + // Expression to convert glTF innerConeAngle to Godot spot_angle_attenuation. + Ref<Expression> gltf_to_godot_expr; + gltf_to_godot_expr.instantiate(); + PackedStringArray gltf_to_godot_args = { "inner_cone_angle" }; + gltf_to_godot_expr->parse("0.2 / (1.0 - inner_cone_angle / spot_angle) - 0.1", gltf_to_godot_args); + r_obj_model_prop->set_gltf_to_godot_expression(gltf_to_godot_expr); + // Expression to convert Godot spot_angle_attenuation to glTF innerConeAngle. + Ref<Expression> godot_to_gltf_expr; + godot_to_gltf_expr.instantiate(); + PackedStringArray godot_to_gltf_args = { "godot_spot_angle_att" }; + godot_to_gltf_expr->parse("spot_angle * maxf(0.0, 1.0 - (0.2 / (0.1 + godot_spot_angle_att)))", godot_to_gltf_args); + r_obj_model_prop->set_godot_to_gltf_expression(godot_to_gltf_expr); +} + Color GLTFLight::get_color() { return color; } |