UnityMirror/spine-runtimes
1
0
Fork 0
mirror of https://github.com/EsotericSoftware/spine-runtimes.git synced 2025-12-21 01:36:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

[sfml] Added IK demo. See #1532.

Browse Source
This commit is contained in:
badlogic 2019-10-25 14:43:17 +02:00
parent 8a93522ce9
commit 0f401bfb44
2 changed files with 150 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
spine-sfml/c/example/main.cpp
View File

@ -165,6 +165,80 @@ void spineboy (SkeletonData* skeletonData, Atlas* atlas) {
SkeletonBounds_dispose(bounds);
}
void ikDemo (SkeletonData* skeletonData, Atlas* atlas) {
UNUSED(atlas);
// Create the SkeletonDrawable and position it
AnimationStateData* stateData = AnimationStateData_create(skeletonData);
SkeletonDrawable* drawable = new SkeletonDrawable(skeletonData, stateData);
drawable->timeScale = 1;
drawable->setUsePremultipliedAlpha(true);
Skeleton* skeleton = drawable->skeleton;
skeleton->x = 320;
skeleton->y = 590;
// Queue the "walk" animation on the first track.
AnimationState_setAnimationByName(drawable->state, 0, "walk", true);
// Queue the "aim" animation on a higher track.
// It consists of a single frame that positions
// the back arm and gun such that they point at
// the "crosshair" bone. By setting this
// animation on a higher track, it overrides
// any changes to the back arm and gun made
// by the walk animation, allowing us to
// mix the two. The mouse position following
// is performed in the render() method below.
AnimationState_setAnimationByName(drawable->state, 1, "aim", true);
sf::RenderWindow window(sf::VideoMode(640, 640), "Spine SFML - IK Demo");
window.setFramerateLimit(60);
sf::Event event;
sf::Clock deltaClock;
while (window.isOpen()) {
while (window.pollEvent(event))
if (event.type == sf::Event::Closed) window.close();
float delta = deltaClock.getElapsedTime().asSeconds();
deltaClock.restart();
// Update and apply the animations to the skeleton,
// then calculate the world transforms of every bone.
// This is needed so we can call Bone#worldToLocal()
// later.
drawable->update(delta);
// Position the "crosshair" bone at the mouse
// location. We do this before calling
// skeleton.updateWorldTransform() below, so
// our change is incorporated before the IK
// constraint is applied.
//
// When setting the crosshair bone position
// to the mouse position, we need to translate
// from "mouse space" to "local bone space". Note that the local
// bone space is calculated using the bone's parent
// worldToLocal() function!
sf::Vector2i mouseCoords = sf::Mouse::getPosition(window);
float boneCoordsX = 0, boneCoordsY = 0;
Bone* crosshair = Skeleton_findBone(drawable->skeleton, "crosshair"); // Should be cached.
Bone_worldToLocal(crosshair->parent, mouseCoords.x, mouseCoords.y, &boneCoordsX, &boneCoordsY);
crosshair->x = boneCoordsX;
crosshair->y = boneCoordsY;
crosshair->appliedValid = false;
// Calculate final world transform with the
// crosshair bone set to the mouse cursor
// position.
Skeleton_updateWorldTransform(drawable->skeleton);
window.clear();
window.draw(*drawable);
window.display();
}
}
void goblins (SkeletonData* skeletonData, Atlas* atlas) {
UNUSED(atlas);
SkeletonDrawable* drawable = new SkeletonDrawable(skeletonData);
@ -552,6 +626,7 @@ void testMixAndMatch(SkeletonData* skeletonData, Atlas* atlas) {
}
int main () {
testcase(ikDemo, "data/spineboy-pro.json", "data/spineboy-pro.skel", "data/spineboy-pma.atlas", 0.6f);
testcase(testMixAndMatch, "data/mix-and-match-pro.json", "data/mix-and-match-pro.skel", "data/mix-and-match-pma.atlas", 0.5f);
testcase(goblins, "data/goblins-pro.json", "data/goblins-pro.skel", "data/goblins-pma.atlas", 1.4f);
testcase(test, "data/tank-pro.json", "data/tank-pro.skel", "data/tank-pma.atlas", 1.0f);

75
spine-sfml/cpp/example/main.cpp
View File

@ -160,6 +160,80 @@ void spineboy (SkeletonData* skeletonData, Atlas* atlas) {
}
}
void ikDemo (SkeletonData* skeletonData, Atlas* atlas) {
SP_UNUSED(atlas);
SkeletonBounds bounds;
// Create the SkeletonDrawable and position it
AnimationStateData stateData(skeletonData);
SkeletonDrawable drawable(skeletonData, &stateData);
drawable.timeScale = 1;
drawable.setUsePremultipliedAlpha(true);
drawable.skeleton->setPosition(320, 590);
// Queue the "walk" animation on the first track.
drawable.state->setAnimation(0, "walk", true);
// Queue the "aim" animation on a higher track.
// It consists of a single frame that positions
// the back arm and gun such that they point at
// the "crosshair" bone. By setting this
// animation on a higher track, it overrides
// any changes to the back arm and gun made
// by the walk animation, allowing us to
// mix the two. The mouse position following
// is performed in the render() method below.
drawable.state->setAnimation(1, "aim", true);
sf::RenderWindow window(sf::VideoMode(640, 640), "Spine SFML - IK Demo");
window.setFramerateLimit(60);
sf::Event event;
sf::Clock deltaClock;
while (window.isOpen()) {
while (window.pollEvent(event))
if (event.type == sf::Event::Closed) window.close();
float delta = deltaClock.getElapsedTime().asSeconds();
deltaClock.restart();
// Update and apply the animations to the skeleton,
// then calculate the world transforms of every bone.
// This is needed so we can call Bone#worldToLocal()
// later.
drawable.update(delta);
// Position the "crosshair" bone at the mouse
// location. We do this before calling
// skeleton.updateWorldTransform() below, so
// our change is incorporated before the IK
// constraint is applied.
//
// When setting the crosshair bone position
// to the mouse position, we need to translate
// from "mouse space" to "local bone space". Note that the local
// bone space is calculated using the bone's parent
// worldToLocal() function!
sf::Vector2i mouseCoords = sf::Mouse::getPosition(window);
float boneCoordsX = 0, boneCoordsY = 0;
Bone* crosshair = drawable.skeleton->findBone("crosshair"); // Should be cached.
crosshair->getParent()->worldToLocal(mouseCoords.x, mouseCoords.y, boneCoordsX, boneCoordsY);
crosshair->setX(boneCoordsX);
crosshair->setY(boneCoordsY);
crosshair->setAppliedValid(false);
// Calculate final world transform with the
// crosshair bone set to the mouse cursor
// position.
drawable.skeleton->updateWorldTransform();
window.clear();
window.draw(drawable);
window.display();
}
}
void goblins (SkeletonData* skeletonData, Atlas* atlas) {
SP_UNUSED(atlas);
@ -540,6 +614,7 @@ int main () {
DebugExtension dbgExtension(SpineExtension::getInstance());
SpineExtension::setInstance(&dbgExtension);
testcase(ikDemo, "data/spineboy-pro.json", "data/spineboy-pro.skel", "data/spineboy-pma.atlas", 0.6f);
testcase(mixAndMatch, "data/mix-and-match-pro.json", "data/mix-and-match-pro.skel", "data/mix-and-match-pma.atlas", 0.5f);
testcase(goblins, "data/goblins-pro.json", "data/goblins-pro.skel", "data/goblins-pma.atlas", 1.4f);
testcase(owl, "data/owl-pro.json", "data/owl-pro.skel", "data/owl-pma.atlas", 0.5f);