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com.esotericsoftware.spine.SkeletonRendererDebug Maven / Gradle / Ivy
/******************************************************************************
* Spine Runtimes License Agreement
* Last updated July 28, 2023. Replaces all prior versions.
*
* Copyright (c) 2013-2023, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software or
* otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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*****************************************************************************/
package com.esotericsoftware.spine;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.FloatArray;
import com.esotericsoftware.spine.attachments.Attachment;
import com.esotericsoftware.spine.attachments.BoundingBoxAttachment;
import com.esotericsoftware.spine.attachments.ClippingAttachment;
import com.esotericsoftware.spine.attachments.MeshAttachment;
import com.esotericsoftware.spine.attachments.PathAttachment;
import com.esotericsoftware.spine.attachments.PointAttachment;
import com.esotericsoftware.spine.attachments.RegionAttachment;
public class SkeletonRendererDebug {
static public final Color boneLineColor = Color.RED;
static public final Color boneOriginColor = Color.GREEN;
static public final Color attachmentLineColor = new Color(0, 0, 1, 0.5f);
static public final Color triangleLineColor = new Color(1, 0.64f, 0, 0.5f); // ffa3007f
static public final Color aabbColor = new Color(0, 1, 0, 0.5f);
private final ShapeRenderer shapes;
private boolean drawBones = true, drawRegionAttachments = true, drawBoundingBoxes = true, drawPoints = true;
private boolean drawMeshHull = true, drawMeshTriangles = true, drawPaths = true, drawClipping = true;
private final SkeletonBounds bounds = new SkeletonBounds();
private final FloatArray vertices = new FloatArray(32);
private float scale = 1;
private float boneWidth = 2;
private boolean premultipliedAlpha;
private final Vector2 temp1 = new Vector2(), temp2 = new Vector2();
public SkeletonRendererDebug () {
shapes = new ShapeRenderer();
}
public SkeletonRendererDebug (ShapeRenderer shapes) {
if (shapes == null) throw new IllegalArgumentException("shapes cannot be null.");
this.shapes = shapes;
}
public void draw (Skeleton skeleton) {
if (skeleton == null) throw new IllegalArgumentException("skeleton cannot be null.");
Gdx.gl.glEnable(GL20.GL_BLEND);
int srcFunc = premultipliedAlpha ? GL20.GL_ONE : GL20.GL_SRC_ALPHA;
Gdx.gl.glBlendFunc(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA);
ShapeRenderer shapes = this.shapes;
Array bones = skeleton.getBones();
Array slots = skeleton.getSlots();
shapes.begin(ShapeType.Filled);
if (drawBones) {
for (int i = 0, n = bones.size; i < n; i++) {
Bone bone = bones.get(i);
if (bone.parent == null || !bone.active) continue;
float length = bone.data.length, width = boneWidth;
if (length == 0) {
length = 8;
width /= 2;
shapes.setColor(boneOriginColor);
} else
shapes.setColor(boneLineColor);
float x = length * bone.a + bone.worldX;
float y = length * bone.c + bone.worldY;
shapes.rectLine(bone.worldX, bone.worldY, x, y, width * scale);
}
shapes.x(skeleton.getX(), skeleton.getY(), 4 * scale);
}
if (drawPoints) {
shapes.setColor(boneOriginColor);
for (int i = 0, n = slots.size; i < n; i++) {
Slot slot = slots.get(i);
Attachment attachment = slot.attachment;
if (!(attachment instanceof PointAttachment)) continue;
PointAttachment point = (PointAttachment)attachment;
point.computeWorldPosition(slot.getBone(), temp1);
temp2.set(8, 0).rotate(point.computeWorldRotation(slot.getBone()));
shapes.rectLine(temp1, temp2, boneWidth / 2 * scale);
}
}
shapes.end();
shapes.begin(ShapeType.Line);
if (drawRegionAttachments) {
shapes.setColor(attachmentLineColor);
for (int i = 0, n = slots.size; i < n; i++) {
Slot slot = slots.get(i);
Attachment attachment = slot.attachment;
if (attachment instanceof RegionAttachment) {
RegionAttachment region = (RegionAttachment)attachment;
float[] vertices = this.vertices.items;
region.computeWorldVertices(slot, vertices, 0, 2);
shapes.line(vertices[0], vertices[1], vertices[2], vertices[3]);
shapes.line(vertices[2], vertices[3], vertices[4], vertices[5]);
shapes.line(vertices[4], vertices[5], vertices[6], vertices[7]);
shapes.line(vertices[6], vertices[7], vertices[0], vertices[1]);
}
}
}
if (drawMeshHull || drawMeshTriangles) {
for (int i = 0, n = slots.size; i < n; i++) {
Slot slot = slots.get(i);
Attachment attachment = slot.attachment;
if (!(attachment instanceof MeshAttachment)) continue;
MeshAttachment mesh = (MeshAttachment)attachment;
float[] vertices = this.vertices.setSize(mesh.getWorldVerticesLength());
mesh.computeWorldVertices(slot, 0, mesh.getWorldVerticesLength(), vertices, 0, 2);
short[] triangles = mesh.getTriangles();
int hullLength = mesh.getHullLength();
if (drawMeshTriangles) {
shapes.setColor(triangleLineColor);
for (int ii = 0, nn = triangles.length; ii < nn; ii += 3) {
int v1 = triangles[ii] * 2, v2 = triangles[ii + 1] * 2, v3 = triangles[ii + 2] * 2;
shapes.triangle(vertices[v1], vertices[v1 + 1], //
vertices[v2], vertices[v2 + 1], //
vertices[v3], vertices[v3 + 1] //
);
}
}
if (drawMeshHull && hullLength > 0) {
shapes.setColor(attachmentLineColor);
float lastX = vertices[hullLength - 2], lastY = vertices[hullLength - 1];
for (int ii = 0, nn = hullLength; ii < nn; ii += 2) {
float x = vertices[ii], y = vertices[ii + 1];
shapes.line(x, y, lastX, lastY);
lastX = x;
lastY = y;
}
}
}
}
if (drawBoundingBoxes) {
SkeletonBounds bounds = this.bounds;
bounds.update(skeleton, true);
shapes.setColor(aabbColor);
shapes.rect(bounds.getMinX(), bounds.getMinY(), bounds.getWidth(), bounds.getHeight());
Array polygons = bounds.getPolygons();
Array boxes = bounds.getBoundingBoxes();
for (int i = 0, n = polygons.size; i < n; i++) {
FloatArray polygon = polygons.get(i);
shapes.setColor(boxes.get(i).getColor());
shapes.polygon(polygon.items, 0, polygon.size);
}
}
if (drawClipping) {
for (int i = 0, n = slots.size; i < n; i++) {
Slot slot = slots.get(i);
Attachment attachment = slot.attachment;
if (!(attachment instanceof ClippingAttachment)) continue;
ClippingAttachment clip = (ClippingAttachment)attachment;
int nn = clip.getWorldVerticesLength();
float[] vertices = this.vertices.setSize(nn);
clip.computeWorldVertices(slot, 0, nn, vertices, 0, 2);
shapes.setColor(clip.getColor());
for (int ii = 2; ii < nn; ii += 2)
shapes.line(vertices[ii - 2], vertices[ii - 1], vertices[ii], vertices[ii + 1]);
shapes.line(vertices[0], vertices[1], vertices[nn - 2], vertices[nn - 1]);
}
}
if (drawPaths) {
for (int i = 0, n = slots.size; i < n; i++) {
Slot slot = slots.get(i);
Attachment attachment = slot.attachment;
if (!(attachment instanceof PathAttachment)) continue;
PathAttachment path = (PathAttachment)attachment;
int nn = path.getWorldVerticesLength();
float[] vertices = this.vertices.setSize(nn);
path.computeWorldVertices(slot, 0, nn, vertices, 0, 2);
Color color = path.getColor();
float x1 = vertices[2], y1 = vertices[3], x2 = 0, y2 = 0;
if (path.getClosed()) {
shapes.setColor(color);
float cx1 = vertices[0], cy1 = vertices[1], cx2 = vertices[nn - 2], cy2 = vertices[nn - 1];
x2 = vertices[nn - 4];
y2 = vertices[nn - 3];
shapes.curve(x1, y1, cx1, cy1, cx2, cy2, x2, y2, 32);
shapes.setColor(Color.LIGHT_GRAY);
shapes.line(x1, y1, cx1, cy1);
shapes.line(x2, y2, cx2, cy2);
}
nn -= 4;
for (int ii = 4; ii < nn; ii += 6) {
float cx1 = vertices[ii], cy1 = vertices[ii + 1], cx2 = vertices[ii + 2], cy2 = vertices[ii + 3];
x2 = vertices[ii + 4];
y2 = vertices[ii + 5];
shapes.setColor(color);
shapes.curve(x1, y1, cx1, cy1, cx2, cy2, x2, y2, 32);
shapes.setColor(Color.LIGHT_GRAY);
shapes.line(x1, y1, cx1, cy1);
shapes.line(x2, y2, cx2, cy2);
x1 = x2;
y1 = y2;
}
}
}
shapes.end();
shapes.begin(ShapeType.Filled);
if (drawBones) {
shapes.setColor(boneOriginColor);
for (int i = 0, n = bones.size; i < n; i++) {
Bone bone = bones.get(i);
if (!bone.active) continue;
shapes.circle(bone.worldX, bone.worldY, 3 * scale, 8);
}
}
if (drawPoints) {
shapes.setColor(boneOriginColor);
for (int i = 0, n = slots.size; i < n; i++) {
Slot slot = slots.get(i);
Attachment attachment = slot.attachment;
if (!(attachment instanceof PointAttachment)) continue;
PointAttachment point = (PointAttachment)attachment;
point.computeWorldPosition(slot.getBone(), temp1);
shapes.circle(temp1.x, temp1.y, 3 * scale, 8);
}
}
shapes.end();
}
public ShapeRenderer getShapeRenderer () {
return shapes;
}
public void setBones (boolean bones) {
this.drawBones = bones;
}
public void setScale (float scale) {
this.scale = scale;
}
public void setRegionAttachments (boolean regionAttachments) {
drawRegionAttachments = regionAttachments;
}
public void setBoundingBoxes (boolean boundingBoxes) {
drawBoundingBoxes = boundingBoxes;
}
public void setMeshHull (boolean meshHull) {
drawMeshHull = meshHull;
}
public void setMeshTriangles (boolean meshTriangles) {
drawMeshTriangles = meshTriangles;
}
public void setPaths (boolean paths) {
drawPaths = paths;
}
public void setPoints (boolean points) {
drawPoints = points;
}
public void setClipping (boolean clipping) {
drawClipping = clipping;
}
public void setPremultipliedAlpha (boolean premultipliedAlpha) {
this.premultipliedAlpha = premultipliedAlpha;
}
}
