blob: 874a0631ef5427a16b723db685bb8d6f865b5e24 [file] [log] [blame]
#include <rive/node.hpp>
#include <rive/bones/bone.hpp>
#include <rive/shapes/shape.hpp>
#include <utils/no_op_renderer.hpp>
#include "rive_file_reader.hpp"
#include "rive_testing.hpp"
#include <cstdio>
TEST_CASE("two bone ik places bones correctly", "[file]")
{
auto file = ReadRiveFile("../../test/assets/two_bone_ik.riv");
auto artboard = file->artboard();
REQUIRE(artboard->find<rive::Shape>("circle a") != nullptr);
auto circleA = artboard->find<rive::Shape>("circle a");
REQUIRE(artboard->find<rive::Shape>("circle b") != nullptr);
auto circleB = artboard->find<rive::Shape>("circle b");
REQUIRE(artboard->find<rive::Bone>("a") != nullptr);
auto boneA = artboard->find<rive::Bone>("a");
REQUIRE(artboard->find<rive::Bone>("b") != nullptr);
auto boneB = artboard->find<rive::Bone>("b");
REQUIRE(artboard->find<rive::Node>("target") != nullptr);
auto target = artboard->find<rive::Node>("target");
REQUIRE(artboard->animation("Animation 1") != nullptr);
auto animation = artboard->animation("Animation 1");
// Make sure dependency structure is correct. Important thing here is to
// ensure that circle a is dependent upon the tip of the ik chain (bone b).
// circle b is a child of bone b so it'll be there anyway, but may as well
// validate.
REQUIRE(std::find(boneB->dependents().begin(), boneB->dependents().end(), circleA) !=
boneB->dependents().end());
REQUIRE(std::find(boneB->dependents().begin(), boneB->dependents().end(), circleB) !=
boneB->dependents().end());
animation->apply(artboard, 0.0f, 1.0f);
artboard->advance(0.0f);
REQUIRE(target->x() == 296.0f);
REQUIRE(target->y() == 202.0f);
REQUIRE(aboutEqual(boneA->worldTransform(),
rive::Mat2D(0.11632211506366729736328125f,
-0.993211567401885986328125f,
0.993211567401885986328125f,
0.11632211506366729736328125f,
26.015254974365234375f,
475.2149658203125f)));
REQUIRE(aboutEqual(boneB->worldTransform(),
rive::Mat2D(0.974071562290191650390625f,
0.2262403070926666259765625f,
-0.2262403070926666259765625f,
0.974071562290191650390625f,
64.31568145751953125f,
148.1883544921875f)));
animation->apply(artboard, 1.0f, 1.0f);
artboard->advance(0.0f);
REQUIRE(target->x() == 450.0f);
REQUIRE(target->y() == 337.0f);
REQUIRE(aboutEqual(boneA->worldTransform(),
rive::Mat2D(0.650279819965362548828125f,
-0.7596948146820068359375f,
0.7596948146820068359375f,
0.650279819965362548828125f,
26.015254974365234375f,
475.2149658203125f)));
REQUIRE(aboutEqual(boneB->worldTransform(),
rive::Mat2D(0.8823678493499755859375f,
0.470560371875762939453125f,
-0.47056043148040771484375f,
0.882367908954620361328125f,
240.1275634765625f,
225.07647705078125f)));
}
TEST_CASE("ik keeps working after a lot of iterations", "[file]")
{
auto file = ReadRiveFile("../../test/assets/two_bone_ik.riv");
auto artboard = file->artboard();
REQUIRE(artboard->find<rive::Shape>("circle a") != nullptr);
auto circleA = artboard->find<rive::Shape>("circle a");
REQUIRE(artboard->find<rive::Shape>("circle b") != nullptr);
auto circleB = artboard->find<rive::Shape>("circle b");
REQUIRE(artboard->find<rive::Bone>("a") != nullptr);
auto boneA = artboard->find<rive::Bone>("a");
REQUIRE(artboard->find<rive::Bone>("b") != nullptr);
auto boneB = artboard->find<rive::Bone>("b");
REQUIRE(artboard->find<rive::Node>("target") != nullptr);
auto target = artboard->find<rive::Node>("target");
REQUIRE(artboard->animation("Animation 1") != nullptr);
auto animation = artboard->animation("Animation 1");
// Make sure dependency structure is correct. Important thing here is to
// ensure that circle a is dependent upon the tip of the ik chain (bone b).
// circle b is a child of bone b so it'll be there anyway, but may as well
// validate.
REQUIRE(std::find(boneB->dependents().begin(), boneB->dependents().end(), circleA) !=
boneB->dependents().end());
REQUIRE(std::find(boneB->dependents().begin(), boneB->dependents().end(), circleB) !=
boneB->dependents().end());
for (int i = 0; i < 1000; i++)
{
animation->apply(artboard, 0.0f, 1.0f);
artboard->advance(0.0f);
REQUIRE(target->x() == 296.0f);
REQUIRE(target->y() == 202.0f);
REQUIRE(aboutEqual(boneA->worldTransform(),
rive::Mat2D(0.11632211506366729736328125f,
-0.993211567401885986328125f,
0.993211567401885986328125f,
0.11632211506366729736328125f,
26.015254974365234375f,
475.2149658203125f)));
REQUIRE(aboutEqual(boneB->worldTransform(),
rive::Mat2D(0.974071562290191650390625f,
0.2262403070926666259765625f,
-0.2262403070926666259765625f,
0.974071562290191650390625f,
64.31568145751953125f,
148.1883544921875f)));
animation->apply(artboard, 1.0f, 1.0f);
artboard->advance(0.0f);
REQUIRE(target->x() == 450.0f);
REQUIRE(target->y() == 337.0f);
REQUIRE(aboutEqual(boneA->worldTransform(),
rive::Mat2D(0.650279819965362548828125f,
-0.7596948146820068359375f,
0.7596948146820068359375f,
0.650279819965362548828125f,
26.015254974365234375f,
475.2149658203125f)));
REQUIRE(aboutEqual(boneB->worldTransform(),
rive::Mat2D(0.8823678493499755859375f,
0.470560371875762939453125f,
-0.47056043148040771484375f,
0.882367908954620361328125f,
240.1275634765625f,
225.07647705078125f)));
}
}