mirror of
https://github.com/Relintai/pandemonium_engine.git
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189 lines
7.0 KiB
C++
189 lines
7.0 KiB
C++
/*************************************************************************/
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/* sdf3d_shape_capsule.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "sdf3d_shape_capsule.h"
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#include "../../algos/mm_algos.h"
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#include "../../editor/mm_graph_node.h"
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#include "../mm_material.h"
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Ref<MMNodeUniversalProperty> MMSdf3dShapeCapsule::get_output() {
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return output;
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}
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void MMSdf3dShapeCapsule::set_output(const Ref<MMNodeUniversalProperty> &val) {
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output = val;
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}
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int MMSdf3dShapeCapsule::get_axis() const {
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return axis;
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}
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void MMSdf3dShapeCapsule::set_axis(const int val) {
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axis = val;
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emit_changed();
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output->do_emit_changed();
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}
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float MMSdf3dShapeCapsule::get_length() const {
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return length;
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}
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void MMSdf3dShapeCapsule::set_length(const float val) {
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length = val;
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emit_changed();
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output->do_emit_changed();
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}
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float MMSdf3dShapeCapsule::get_radius() const {
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return radius;
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}
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void MMSdf3dShapeCapsule::set_radius(const float val) {
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radius = val;
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emit_changed();
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output->do_emit_changed();
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}
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void MMSdf3dShapeCapsule::_init_properties() {
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if (!output.is_valid()) {
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output.instance();
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output->set_default_type(MMNodeUniversalProperty::DEFAULT_TYPE_VECTOR2);
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}
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output->set_output_slot_type(MMNodeUniversalProperty::SLOT_TYPE_FLOAT);
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output->set_slot_name(">>> Output >>>");
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output->set_get_value_from_owner(true);
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register_output_property(output);
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}
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void MMSdf3dShapeCapsule::_register_methods(MMGraphNode *mm_graph_node) {
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mm_graph_node->add_slot_label_universal(output);
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Array arr;
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arr.push_back("X");
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arr.push_back("Y");
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arr.push_back("Z");
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mm_graph_node->add_slot_enum("get_axis", "set_axis", "Axis", arr);
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mm_graph_node->add_slot_float("get_length", "set_length", "Length", 0.01);
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mm_graph_node->add_slot_float("get_radius", "set_radius", "Radius", 0.01);
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mm_graph_node->add_slot_curve();
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}
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Vector2 MMSdf3dShapeCapsule::_get_property_value_sdf3d(const Vector3 &uv3) {
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if (axis == 0) {
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return sdf3d_capsule_x(uv3, radius, length);
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} else if (axis == 1) {
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return sdf3d_capsule_y(uv3, radius, length);
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} else if (axis == 2) {
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return sdf3d_capsule_z(uv3, radius, length);
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}
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return Vector2();
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}
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//vec3 $(name_uv)_p = $uv;
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//$(name_uv)_p.$axis -= clamp($(name_uv)_p.$axis, -$l, $l);
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//return length($(name_uv)_p) - $r * $profile(clamp(0.5+0.5*($uv).$axis/$l, 0.0, 1.0));
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Vector2 MMSdf3dShapeCapsule::sdf3d_capsule_y(const Vector3 &p, const float r, const float l) {
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Vector3 v = p;
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v.y -= CLAMP(v.y, -l, l);
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float cx = CLAMP(0.5 + 0.5 * p.y / l, 0.0, 1.0);
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float cp = MMAlgos::curve(cx, points);
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float f = v.length() - r * cp;
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return Vector2(f, 0.0);
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}
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Vector2 MMSdf3dShapeCapsule::sdf3d_capsule_x(const Vector3 &p, const float r, const float l) {
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Vector3 v = p;
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v.x -= CLAMP(v.x, -l, l);
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float cx = CLAMP(0.5 + 0.5 * p.x / l, 0.0, 1.0);
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float cp = MMAlgos::curve(cx, points);
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float f = v.length() - r * cp;
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return Vector2(f, 0.0);
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}
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Vector2 MMSdf3dShapeCapsule::sdf3d_capsule_z(const Vector3 &p, const float r, const float l) {
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Vector3 v = p;
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v.z -= CLAMP(v.z, -l, l);
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float cx = CLAMP(0.5 + 0.5 * p.z / l, 0.0, 1.0);
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float cp = MMAlgos::curve(cx, points);
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float f = v.length() - r * cp;
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return Vector2(f, 0.0);
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}
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void MMSdf3dShapeCapsule::_curve_changed() {
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emit_changed();
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output->do_emit_changed();
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}
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MMSdf3dShapeCapsule::MMSdf3dShapeCapsule() {
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axis = 1;
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length = 0.3;
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radius = 0.2;
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}
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MMSdf3dShapeCapsule::~MMSdf3dShapeCapsule() {
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}
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void MMSdf3dShapeCapsule::_notification(int p_what) {
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if (p_what == NOTIFICATION_POSTINITIALIZE) {
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if (points.size() == 0) {
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init_points_11();
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}
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}
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}
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void MMSdf3dShapeCapsule::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_output"), &MMSdf3dShapeCapsule::get_output);
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ClassDB::bind_method(D_METHOD("set_output", "value"), &MMSdf3dShapeCapsule::set_output);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "output", PROPERTY_HINT_RESOURCE_TYPE, "MMNodeUniversalProperty"), "set_output", "get_output");
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ClassDB::bind_method(D_METHOD("get_axis"), &MMSdf3dShapeCapsule::get_axis);
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ClassDB::bind_method(D_METHOD("set_axis", "value"), &MMSdf3dShapeCapsule::set_axis);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "axis"), "set_axis", "get_axis");
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ClassDB::bind_method(D_METHOD("get_length"), &MMSdf3dShapeCapsule::get_length);
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ClassDB::bind_method(D_METHOD("set_length", "value"), &MMSdf3dShapeCapsule::set_length);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "length"), "set_length", "get_length");
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ClassDB::bind_method(D_METHOD("get_radius"), &MMSdf3dShapeCapsule::get_radius);
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ClassDB::bind_method(D_METHOD("set_radius", "value"), &MMSdf3dShapeCapsule::set_radius);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "radius"), "set_radius", "get_radius");
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ClassDB::bind_method(D_METHOD("sdf3d_capsule_y", "p", "r", "l"), &MMSdf3dShapeCapsule::sdf3d_capsule_y);
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ClassDB::bind_method(D_METHOD("sdf3d_capsule_x", "p", "r", "l"), &MMSdf3dShapeCapsule::sdf3d_capsule_x);
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ClassDB::bind_method(D_METHOD("sdf3d_capsule_z", "p", "r", "l"), &MMSdf3dShapeCapsule::sdf3d_capsule_z);
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}
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