mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
87 lines
3.7 KiB
C++
87 lines
3.7 KiB
C++
/*************************************************************************/
|
|
/* line_builder.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef LINE_BUILDER_H
|
|
#define LINE_BUILDER_H
|
|
|
|
#include "line_2d.h"
|
|
|
|
class LineBuilder {
|
|
public:
|
|
// TODO Move in a struct and reference it
|
|
// Input
|
|
Vector<Vector2> points;
|
|
Line2D::LineJointMode joint_mode = Line2D::LINE_JOINT_SHARP;
|
|
Line2D::LineCapMode begin_cap_mode = Line2D::LINE_CAP_NONE;
|
|
Line2D::LineCapMode end_cap_mode = Line2D::LINE_CAP_NONE;
|
|
float width = 10.0;
|
|
Curve *curve = nullptr;
|
|
Color default_color = Color(0.4, 0.5, 1);
|
|
Gradient *gradient = nullptr;
|
|
Line2D::LineTextureMode texture_mode = Line2D::LineTextureMode::LINE_TEXTURE_NONE;
|
|
float sharp_limit = 2.f;
|
|
int round_precision = 8;
|
|
float tile_aspect = 1.f; // w/h
|
|
// TODO offset_joints option (offers alternative implementation of round joints)
|
|
|
|
// TODO Move in a struct and reference it
|
|
// Output
|
|
Vector<Vector2> vertices;
|
|
Vector<Color> colors;
|
|
Vector<Vector2> uvs;
|
|
Vector<int> indices;
|
|
|
|
LineBuilder();
|
|
|
|
void build();
|
|
void clear_output();
|
|
|
|
private:
|
|
enum Orientation {
|
|
UP = 0,
|
|
DOWN = 1
|
|
};
|
|
|
|
// Triangle-strip methods
|
|
void strip_begin(Vector2 up, Vector2 down, Color color, float uvx);
|
|
void strip_new_quad(Vector2 up, Vector2 down, Color color, float uvx);
|
|
void strip_add_quad(Vector2 up, Vector2 down, Color color, float uvx);
|
|
void strip_add_tri(Vector2 up, Orientation orientation);
|
|
void strip_add_arc(Vector2 center, float angle_delta, Orientation orientation);
|
|
|
|
void new_arc(Vector2 center, Vector2 vbegin, float angle_delta, Color color, Rect2 uv_rect);
|
|
|
|
private:
|
|
bool _interpolate_color = false;
|
|
int _last_index[2] = {}; // Index of last up and down vertices of the strip
|
|
};
|
|
|
|
#endif // LINE_BUILDER_H
|