submodule/rive-cpp/test/distance_constraint_test.cpp

   1 #include <rive/file.hpp>
   2 #include <rive/constraints/distance_constraint.hpp>
   3 #include <rive/node.hpp>
   4 #include <rive/math/vec2d.hpp>
   5 #include <rive/shapes/shape.hpp>
   6 #include "rive_file_reader.hpp"
   7 #include "rive_testing.hpp"
   8 #include <cstdio>
   9
  10 TEST_CASE("distance constraints moves items as expected", "[file]") {
  11     auto file = ReadRiveFile("../../test/assets/distance_constraint.riv");
  12
  13     auto artboard = file->artboard();
  14
  15     REQUIRE(artboard->find<rive::Shape>("A") != nullptr);
  16     auto a = artboard->find<rive::Shape>("A");
  17
  18     REQUIRE(artboard->find<rive::Shape>("B") != nullptr);
  19     auto b = artboard->find<rive::Shape>("B");
  20
  21     REQUIRE(a->constraints().size() == 1);
  22     REQUIRE(a->constraints()[0]->is<rive::DistanceConstraint>());
  23
  24     auto distanceConstraint = a->constraints()[0]->as<rive::DistanceConstraint>();
  25     REQUIRE(distanceConstraint->modeValue() == 1);
  26
  27     b->x(259.31f);
  28     b->y(137.87f);
  29     artboard->advance(0.0f);
  30
  31     rive::Vec2D at = a->worldTranslation();
  32     rive::Vec2D expectedTranslation(259.2808837890625f, 62.87000274658203f);
  33     REQUIRE(rive::Vec2D::distance(at, expectedTranslation) < 0.001f);
  34 }