399 lines
21 KiB
C++
399 lines
21 KiB
C++
/*************************************************************************/
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/* test_physics_2d.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "test_physics_2d.h"
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#include "core/os/main_loop.h"
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#include "servers/physics_server_2d.h"
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#include "servers/rendering_server.h"
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static const unsigned char convex_png[] = {
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0xa9, 0x5, 0xbf, 0x9c, 0x97, 0xf3, 0xff, 0xf3, 0x2f, 0x6a, 0x82, 0x7f, 0xf6, 0x4e, 0xca, 0x1b, 0xf5, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
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};
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class TestPhysics2DMainLoop : public MainLoop {
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GDCLASS(TestPhysics2DMainLoop, MainLoop);
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RID circle_img;
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RID circle_shape;
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RID space;
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RID canvas;
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RID ray;
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RID ray_query;
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Transform2D view_xform;
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Vector2 ray_from, ray_to;
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struct BodyShapeData {
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RID image;
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RID shape;
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};
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BodyShapeData body_shape_data[8];
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void _create_body_shape_data() {
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RenderingServer *vs = RenderingServer::get_singleton();
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PhysicsServer2D *ps = PhysicsServer2D::get_singleton();
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// SEGMENT
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{
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Vector<uint8_t> pixels;
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pixels.resize(32 * 2 * 2);
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for (int i = 0; i < 2; i++) {
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for (int j = 0; j < 32; j++) {
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pixels.set(i * 32 * 2 + j * 2 + 0, (j == 0) ? 255 : 0);
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pixels.set(i * 32 * 2 + j * 2 + 1, 255);
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}
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}
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Ref<Image> image = memnew(Image(32, 2, 0, Image::FORMAT_LA8, pixels));
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body_shape_data[PhysicsServer2D::SHAPE_SEGMENT].image = vs->texture_2d_create(image);
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RID segment_shape = ps->segment_shape_create();
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Rect2 sg(Point2(-16, 0), Point2(16, 0));
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ps->shape_set_data(segment_shape, sg);
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body_shape_data[PhysicsServer2D::SHAPE_SEGMENT].shape = segment_shape;
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}
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// CIRCLE
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{
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Vector<uint8_t> pixels;
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pixels.resize(32 * 32 * 2);
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for (int i = 0; i < 32; i++) {
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for (int j = 0; j < 32; j++) {
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bool black = Vector2(i - 16, j - 16).length_squared() < 16 * 16;
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pixels.set(i * 32 * 2 + j * 2 + 0, (i == 16 || j == 16) ? 255 : 0);
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pixels.set(i * 32 * 2 + j * 2 + 1, black ? 255 : 0);
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}
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}
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Ref<Image> image = memnew(Image(32, 32, 0, Image::FORMAT_LA8, pixels));
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body_shape_data[PhysicsServer2D::SHAPE_CIRCLE].image = vs->texture_2d_create(image);
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RID circle_shape = ps->circle_shape_create();
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ps->shape_set_data(circle_shape, 16);
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body_shape_data[PhysicsServer2D::SHAPE_CIRCLE].shape = circle_shape;
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}
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// BOX
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{
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Vector<uint8_t> pixels;
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pixels.resize(32 * 32 * 2);
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for (int i = 0; i < 32; i++) {
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for (int j = 0; j < 32; j++) {
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bool black = i > 0 && i < 31 && j > 0 && j < 31;
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pixels.set(i * 32 * 2 + j * 2 + 0, black ? 0 : 255);
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pixels.set(i * 32 * 2 + j * 2 + 1, 255);
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}
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}
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Ref<Image> image = memnew(Image(32, 32, 0, Image::FORMAT_LA8, pixels));
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body_shape_data[PhysicsServer2D::SHAPE_RECTANGLE].image = vs->texture_2d_create(image);
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RID rectangle_shape = ps->rectangle_shape_create();
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ps->shape_set_data(rectangle_shape, Vector2(16, 16));
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body_shape_data[PhysicsServer2D::SHAPE_RECTANGLE].shape = rectangle_shape;
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}
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// CAPSULE
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{
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Vector<uint8_t> pixels;
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pixels.resize(32 * 64 * 2);
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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();
|
|
|
|
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() & MOUSE_BUTTON_MASK_LEFT) {
|
|
ray_to = p;
|
|
_do_ray_query();
|
|
} else if (mm->get_button_mask() & MOUSE_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, callable_mp(this, &TestPhysics2DMainLoop::_body_moved), sprite);
|
|
|
|
return body;
|
|
}
|
|
|
|
void _add_world_boundary(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 world_boundary = ps->world_boundary_shape_create();
|
|
ps->shape_set_data(world_boundary, 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, world_boundary);
|
|
}
|
|
|
|
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("_ray_query_callback"), &TestPhysics2DMainLoop::_ray_query_callback);
|
|
}
|
|
|
|
public:
|
|
virtual void initialize() 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, 980);
|
|
|
|
{
|
|
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_world_boundary(Vector2(0.0,-1).normalized(),-300);
|
|
//_add_world_boundary(Vector2(1,0).normalized(),50);
|
|
//_add_world_boundary(Vector2(-1,0).normalized(),-600);
|
|
}
|
|
|
|
virtual bool process(double p_time) override {
|
|
return false;
|
|
}
|
|
virtual void finalize() override {
|
|
}
|
|
|
|
TestPhysics2DMainLoop() {}
|
|
};
|
|
|
|
namespace TestPhysics2D {
|
|
|
|
MainLoop *test() {
|
|
return memnew(TestPhysics2DMainLoop);
|
|
}
|
|
} // namespace TestPhysics2D
|