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Diffstat (limited to 'tests/test_physics_2d.cpp')
| -rw-r--r-- | tests/test_physics_2d.cpp | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/tests/test_physics_2d.cpp b/tests/test_physics_2d.cpp new file mode 100644 index 0000000000..d40df52f1b --- /dev/null +++ b/tests/test_physics_2d.cpp @@ -0,0 +1,406 @@ +/*************************************************************************/ +/* test_physics_2d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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. */ +/*************************************************************************/ + +#include "test_physics_2d.h" + +#include "core/os/main_loop.h" +#include "core/os/os.h" +#include "core/string/print_string.h" +#include "core/templates/map.h" +#include "scene/resources/texture.h" +#include "servers/display_server.h" +#include "servers/physics_server_2d.h" +#include "servers/rendering_server.h" + +static const unsigned char convex_png[] = { + 0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x40, 0x8, 0x6, 0x0, 0x0, 0x0, 0xaa, 0x69, 0x71, 0xde, 0x0, 0x0, 0x0, 0x1, 0x73, 0x52, 0x47, 0x42, 0x0, 0xae, 0xce, 0x1c, 0xe9, 0x0, 0x0, 0x0, 0x6, 0x62, 0x4b, 0x47, 0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf9, 0x43, 0xbb, 0x7f, 0x0, 0x0, 0x0, 0x9, 0x70, 0x48, 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+ Vector2 ray_from, ray_to; + + struct BodyShapeData { + RID image; + RID shape; + }; + + BodyShapeData body_shape_data[8]; + + void _create_body_shape_data() { + RenderingServer *vs = RenderingServer::get_singleton(); + PhysicsServer2D *ps = PhysicsServer2D::get_singleton(); + + // SEGMENT + + { + Vector<uint8_t> pixels; + pixels.resize(32 * 2 * 2); + for (int i = 0; i < 2; i++) { + for (int j = 0; j < 32; j++) { + pixels.set(i * 32 * 2 + j * 2 + 0, (j == 0) ? 255 : 0); + pixels.set(i * 32 * 2 + j * 2 + 1, 255); + } + } + + Ref<Image> image = memnew(Image(32, 2, 0, Image::FORMAT_LA8, pixels)); + + body_shape_data[PhysicsServer2D::SHAPE_SEGMENT].image = vs->texture_2d_create(image); + + RID segment_shape = ps->segment_shape_create(); + Rect2 sg(Point2(-16, 0), Point2(16, 0)); + ps->shape_set_data(segment_shape, sg); + + body_shape_data[PhysicsServer2D::SHAPE_SEGMENT].shape = segment_shape; + } + // CIRCLE + + { + Vector<uint8_t> pixels; + pixels.resize(32 * 32 * 2); + for (int i = 0; i < 32; i++) { + for (int j = 0; j < 32; j++) { + bool black = Vector2(i - 16, j - 16).length_squared() < 16 * 16; + + pixels.set(i * 32 * 2 + j * 2 + 0, (i == 16 || j == 16) ? 255 : 0); + pixels.set(i * 32 * 2 + j * 2 + 1, black ? 255 : 0); + } + } + + Ref<Image> image = memnew(Image(32, 32, 0, Image::FORMAT_LA8, pixels)); + + body_shape_data[PhysicsServer2D::SHAPE_CIRCLE].image = vs->texture_2d_create(image); + + RID circle_shape = ps->circle_shape_create(); + ps->shape_set_data(circle_shape, 16); + + body_shape_data[PhysicsServer2D::SHAPE_CIRCLE].shape = circle_shape; + } + + // BOX + + { + Vector<uint8_t> pixels; + pixels.resize(32 * 32 * 2); + for (int i = 0; i < 32; i++) { + for (int j = 0; j < 32; j++) { + bool black = i > 0 && i < 31 && j > 0 && j < 31; + + pixels.set(i * 32 * 2 + j * 2 + 0, black ? 0 : 255); + pixels.set(i * 32 * 2 + j * 2 + 1, 255); + } + } + + Ref<Image> image = memnew(Image(32, 32, 0, Image::FORMAT_LA8, pixels)); + + body_shape_data[PhysicsServer2D::SHAPE_RECTANGLE].image = vs->texture_2d_create(image); + + RID rectangle_shape = ps->rectangle_shape_create(); + ps->shape_set_data(rectangle_shape, Vector2(16, 16)); + + body_shape_data[PhysicsServer2D::SHAPE_RECTANGLE].shape = rectangle_shape; + } + + // CAPSULE + + { + Vector<uint8_t> pixels; + pixels.resize(32 * 64 * 2); + for (int i = 0; i < 64; i++) { + for (int j = 0; j < 32; j++) { + int si = i > 48 ? i - 32 : (i < 16 ? i : 16); + bool black = Vector2(si - 16, j - 16).length_squared() < 16 * 16; + + pixels.set(i * 32 * 2 + j * 2 + 0, (i == 16 || j == 16 || i == 48) ? 255 : 0); + pixels.set(i * 32 * 2 + j * 2 + 1, black ? 255 : 0); + } + } + + Ref<Image> image = memnew(Image(32, 64, 0, Image::FORMAT_LA8, pixels)); + + body_shape_data[PhysicsServer2D::SHAPE_CAPSULE].image = vs->texture_2d_create(image); + + RID capsule_shape = ps->capsule_shape_create(); + ps->shape_set_data(capsule_shape, Vector2(16, 32)); + + body_shape_data[PhysicsServer2D::SHAPE_CAPSULE].shape = capsule_shape; + } + + // CONVEX + + { + Ref<Image> image = memnew(Image(convex_png)); + + body_shape_data[PhysicsServer2D::SHAPE_CONVEX_POLYGON].image = vs->texture_2d_create(image); + + RID convex_polygon_shape = ps->convex_polygon_shape_create(); + + Vector<Vector2> arr; + Point2 sb(32, 32); + arr.push_back(Point2(20, 3) - sb); + arr.push_back(Point2(58, 23) - sb); + arr.push_back(Point2(55, 54) - sb); + arr.push_back(Point2(27, 60) - sb); + arr.push_back(Point2(5, 56) - sb); + arr.push_back(Point2(4, 20) - sb); + arr.push_back(Point2(11, 7) - sb); + ps->shape_set_data(convex_polygon_shape, arr); + + body_shape_data[PhysicsServer2D::SHAPE_CONVEX_POLYGON].shape = convex_polygon_shape; + } + } + + void _do_ray_query() { + /* + PhysicsServer2D *ps = PhysicsServer2D::get_singleton(); + ps->query_intersection_segment(ray_query,ray_from,ray_to); + */ + } + +protected: + void input_event(const Ref<InputEvent> &p_event) { + Ref<InputEventMouseButton> mb = p_event; + + if (mb.is_valid()) { + if (mb->is_pressed()) { + Point2 p(mb->get_position().x, mb->get_position().y); + + if (mb->get_button_index() == 1) { + ray_to = p; + _do_ray_query(); + } else if (mb->get_button_index() == 2) { + ray_from = p; + _do_ray_query(); + } + } + } + + Ref<InputEventMouseMotion> mm = p_event; + + if (mm.is_valid()) { + Point2 p = mm->get_position(); + + if (mm->get_button_mask() & BUTTON_MASK_LEFT) { + ray_to = p; + _do_ray_query(); + } else if (mm->get_button_mask() & BUTTON_MASK_RIGHT) { + ray_from = p; + _do_ray_query(); + } + } + } + + RID _add_body(PhysicsServer2D::ShapeType p_shape, const Transform2D &p_xform) { + RenderingServer *vs = RenderingServer::get_singleton(); + PhysicsServer2D *ps = PhysicsServer2D::get_singleton(); + + RID body = ps->body_create(); + ps->body_add_shape(body, body_shape_data[p_shape].shape); + ps->body_set_space(body, space); + ps->body_set_continuous_collision_detection_mode(body, PhysicsServer2D::CCD_MODE_CAST_SHAPE); + ps->body_set_state(body, PhysicsServer2D::BODY_STATE_TRANSFORM, p_xform); + + //print_line("add body with xform: "+p_xform); + RID sprite = vs->canvas_item_create(); + vs->canvas_item_set_parent(sprite, canvas); + vs->canvas_item_set_transform(sprite, p_xform); + Size2 imgsize(5, 5); //vs->texture_get_width(body_shape_data[p_shape].image), vs->texture_get_height(body_shape_data[p_shape].image)); + vs->canvas_item_add_texture_rect(sprite, Rect2(-imgsize / 2.0, imgsize), body_shape_data[p_shape].image); + + ps->body_set_force_integration_callback(body, this, "_body_moved", sprite); + //RID q = ps->query_create(this,"_body_moved",sprite); + //ps->query_body_state(q,body); + + return body; + } + + void _add_plane(const Vector2 &p_normal, real_t p_d) { + PhysicsServer2D *ps = PhysicsServer2D::get_singleton(); + + Array arr; + arr.push_back(p_normal); + arr.push_back(p_d); + + RID plane = ps->line_shape_create(); + ps->shape_set_data(plane, arr); + + RID plane_body = ps->body_create(); + ps->body_set_mode(plane_body, PhysicsServer2D::BODY_MODE_STATIC); + ps->body_set_space(plane_body, space); + ps->body_add_shape(plane_body, plane); + } + + void _add_concave(const Vector<Vector2> &p_points, const Transform2D &p_xform = Transform2D()) { + PhysicsServer2D *ps = PhysicsServer2D::get_singleton(); + RenderingServer *vs = RenderingServer::get_singleton(); + + RID concave = ps->concave_polygon_shape_create(); + ps->shape_set_data(concave, p_points); + RID body = ps->body_create(); + ps->body_set_mode(body, PhysicsServer2D::BODY_MODE_STATIC); + ps->body_set_space(body, space); + ps->body_add_shape(body, concave); + ps->body_set_state(body, PhysicsServer2D::BODY_STATE_TRANSFORM, p_xform); + + RID sprite = vs->canvas_item_create(); + vs->canvas_item_set_parent(sprite, canvas); + vs->canvas_item_set_transform(sprite, p_xform); + for (int i = 0; i < p_points.size(); i += 2) { + vs->canvas_item_add_line(sprite, p_points[i], p_points[i + 1], Color(0, 0, 0), 2); + } + } + + void _body_moved(Object *p_state, RID p_sprite) { + PhysicsDirectBodyState2D *state = (PhysicsDirectBodyState2D *)p_state; + RenderingServer::get_singleton()->canvas_item_set_transform(p_sprite, state->get_transform()); + } + + void _ray_query_callback(const RID &p_rid, ObjectID p_id, int p_shape, const Vector2 &p_point, const Vector2 &p_normal) { + Vector2 ray_end; + + if (p_rid.is_valid()) { + ray_end = p_point; + } else { + ray_end = ray_to; + } + + RenderingServer *vs = RenderingServer::get_singleton(); + + vs->canvas_item_clear(ray); + vs->canvas_item_add_line(ray, ray_from, ray_end, p_rid.is_valid() ? Color(0, 1, 0.4) : Color(1, 0.4, 0), 2); + if (p_rid.is_valid()) { + vs->canvas_item_add_line(ray, ray_end, ray_end + p_normal * 20, p_rid.is_valid() ? Color(0, 1, 0.4) : Color(1, 0.4, 0), 2); + } + } + + static void _bind_methods() { + ClassDB::bind_method(D_METHOD("_body_moved"), &TestPhysics2DMainLoop::_body_moved); + ClassDB::bind_method(D_METHOD("_ray_query_callback"), &TestPhysics2DMainLoop::_ray_query_callback); + } + +public: + virtual void init() override { + RenderingServer *vs = RenderingServer::get_singleton(); + PhysicsServer2D *ps = PhysicsServer2D::get_singleton(); + + space = ps->space_create(); + ps->space_set_active(space, true); + ps->set_active(true); + ps->area_set_param(space, PhysicsServer2D::AREA_PARAM_GRAVITY_VECTOR, Vector2(0, 1)); + ps->area_set_param(space, PhysicsServer2D::AREA_PARAM_GRAVITY, 98); + + { + RID vp = vs->viewport_create(); + canvas = vs->canvas_create(); + + Size2i screen_size = DisplayServer::get_singleton()->window_get_size(); + vs->viewport_attach_canvas(vp, canvas); + vs->viewport_set_size(vp, screen_size.x, screen_size.y); + vs->viewport_attach_to_screen(vp, Rect2(Vector2(), screen_size)); + vs->viewport_set_active(vp, true); + + Transform2D smaller; + //smaller.scale(Vector2(0.6,0.6)); + //smaller.elements[2]=Vector2(100,0); + + //view_xform = smaller; + vs->viewport_set_canvas_transform(vp, canvas, view_xform); + } + + ray = vs->canvas_item_create(); + vs->canvas_item_set_parent(ray, canvas); + //ray_query = ps->query_create(this,"_ray_query_callback",Variant()); + //ps->query_intersection(ray_query,space); + + _create_body_shape_data(); + + for (int i = 0; i < 32; i++) { + PhysicsServer2D::ShapeType types[4] = { + PhysicsServer2D::SHAPE_CIRCLE, + PhysicsServer2D::SHAPE_CAPSULE, + PhysicsServer2D::SHAPE_RECTANGLE, + PhysicsServer2D::SHAPE_CONVEX_POLYGON, + + }; + + PhysicsServer2D::ShapeType type = types[i % 4]; + //type=PhysicsServer2D::SHAPE_SEGMENT; + _add_body(type, Transform2D(i * 0.8, Point2(152 + i * 40, 100 - 40 * i))); + /* + if (i==0) + ps->body_set_mode(b,PhysicsServer2D::BODY_MODE_STATIC); + */ + } + + //RID b= _add_body(PhysicsServer2D::SHAPE_CIRCLE,Transform2D(0,Point2(101,140))); + //ps->body_set_mode(b,PhysicsServer2D::BODY_MODE_STATIC); + + Point2 prev; + + Vector<Point2> parr; + for (int i = 0; i < 30; i++) { + Point2 p(i * 60, Math::randf() * 70 + 340); + if (i > 0) { + parr.push_back(prev); + parr.push_back(p); + } + prev = p; + } + + _add_concave(parr); + //_add_plane(Vector2(0.0,-1).normalized(),-300); + //_add_plane(Vector2(1,0).normalized(),50); + //_add_plane(Vector2(-1,0).normalized(),-600); + } + + virtual bool idle(float p_time) override { + return false; + } + virtual void finish() override { + } + + TestPhysics2DMainLoop() {} +}; + +namespace TestPhysics2D { + +MainLoop *test() { + return memnew(TestPhysics2DMainLoop); +} +} // namespace TestPhysics2D |