93ab45b6b5
They do not play well with clang-format which aligns the `//` part with the rest of the code block, thus producing badly indented commented code.
472 lines
19 KiB
C++
472 lines
19 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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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 "servers/visual_server.h"
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#include "servers/physics_2d_server.h"
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#include "os/main_loop.h"
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#include "print_string.h"
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#include "map.h"
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#include "scene/resources/texture.h"
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#include "os/os.h"
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static const unsigned char convex_png[]={
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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[6];
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void _create_body_shape_data() {
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VisualServer *vs = VisualServer::get_singleton();
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Physics2DServer *ps = Physics2DServer::get_singleton();
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// SEGMENT
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{
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PoolVector<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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Image image(32,2,0,Image::FORMAT_LA8,pixels);
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body_shape_data[Physics2DServer::SHAPE_SEGMENT].image=vs->texture_create_from_image(image);
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RID segment_shape = ps->shape_create(Physics2DServer::SHAPE_SEGMENT);
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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[Physics2DServer::SHAPE_SEGMENT].shape = segment_shape;
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}
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// CIRCLE
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{
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PoolVector<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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Image image(32,32,0,Image::FORMAT_LA8,pixels);
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body_shape_data[Physics2DServer::SHAPE_CIRCLE].image=vs->texture_create_from_image(image);
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RID circle_shape = ps->shape_create(Physics2DServer::SHAPE_CIRCLE);
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ps->shape_set_data(circle_shape,16);
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body_shape_data[Physics2DServer::SHAPE_CIRCLE].shape = circle_shape;
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}
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// BOX
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{
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PoolVector<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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Image image(32,32,0,Image::FORMAT_LA8,pixels);
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body_shape_data[Physics2DServer::SHAPE_RECTANGLE].image=vs->texture_create_from_image(image);
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RID rectangle_shape = ps->shape_create(Physics2DServer::SHAPE_RECTANGLE);
|
|
ps->shape_set_data(rectangle_shape,Vector2(16,16));
|
|
|
|
body_shape_data[Physics2DServer::SHAPE_RECTANGLE].shape = rectangle_shape;
|
|
|
|
}
|
|
|
|
|
|
// CAPSULE
|
|
|
|
{
|
|
|
|
PoolVector<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);
|
|
|
|
}
|
|
}
|
|
|
|
Image image(32,64,0,Image::FORMAT_LA8,pixels);
|
|
|
|
body_shape_data[Physics2DServer::SHAPE_CAPSULE].image=vs->texture_create_from_image(image);
|
|
|
|
RID capsule_shape = ps->shape_create(Physics2DServer::SHAPE_CAPSULE);
|
|
ps->shape_set_data(capsule_shape,Vector2(16,32));
|
|
|
|
body_shape_data[Physics2DServer::SHAPE_CAPSULE].shape = capsule_shape;
|
|
|
|
}
|
|
|
|
// CONVEX
|
|
|
|
{
|
|
|
|
|
|
Image image(convex_png);
|
|
|
|
body_shape_data[Physics2DServer::SHAPE_CUSTOM+1].image=vs->texture_create_from_image(image);
|
|
|
|
RID convex_polygon_shape = ps->shape_create(Physics2DServer::SHAPE_CONVEX_POLYGON);
|
|
|
|
PoolVector<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[Physics2DServer::SHAPE_CUSTOM+1].shape = convex_polygon_shape;
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void _do_ray_query() {
|
|
|
|
/*
|
|
Physics2DServer *ps = Physics2DServer::get_singleton();
|
|
ps->query_intersection_segment(ray_query,ray_from,ray_to);
|
|
*/
|
|
|
|
}
|
|
|
|
protected:
|
|
|
|
|
|
void input_event(const InputEvent& p_event) {
|
|
|
|
if (p_event.type==InputEvent::MOUSE_BUTTON) {
|
|
|
|
const InputEventMouseButton &mb=p_event.mouse_button;
|
|
|
|
if (mb.pressed) {
|
|
|
|
Point2 p( mb.x, mb.y );
|
|
|
|
if (mb.button_index==1) {
|
|
ray_to=p;
|
|
_do_ray_query();
|
|
} else if (mb.button_index==2) {
|
|
ray_from=p;
|
|
_do_ray_query();
|
|
}
|
|
|
|
}
|
|
}
|
|
if (p_event.type==InputEvent::MOUSE_MOTION) {
|
|
|
|
const InputEventMouseMotion &mm=p_event.mouse_motion;
|
|
|
|
Point2 p( mm.x, mm.y );
|
|
|
|
if (mm.button_mask&BUTTON_MASK_LEFT) {
|
|
ray_to=p;
|
|
_do_ray_query();
|
|
} else if (mm.button_mask&BUTTON_MASK_RIGHT) {
|
|
ray_from=p;
|
|
_do_ray_query();
|
|
}
|
|
}
|
|
}
|
|
|
|
RID _add_body(Physics2DServer::ShapeType p_shape, const Transform2D& p_xform) {
|
|
|
|
VisualServer *vs = VisualServer::get_singleton();
|
|
Physics2DServer *ps = Physics2DServer::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,Physics2DServer::CCD_MODE_CAST_SHAPE);
|
|
ps->body_set_state(body,Physics2DServer::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( 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) {
|
|
|
|
Physics2DServer *ps = Physics2DServer::get_singleton();
|
|
|
|
Array arr;
|
|
arr.push_back(p_normal);
|
|
arr.push_back(p_d);
|
|
|
|
RID plane = ps->shape_create(Physics2DServer::SHAPE_LINE);
|
|
ps->shape_set_data(plane,arr);
|
|
|
|
RID plane_body = ps->body_create(Physics2DServer::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()) {
|
|
|
|
Physics2DServer *ps = Physics2DServer::get_singleton();
|
|
VisualServer *vs = VisualServer::get_singleton();
|
|
|
|
RID concave = ps->shape_create(Physics2DServer::SHAPE_CONCAVE_POLYGON);
|
|
ps->shape_set_data(concave,p_points);
|
|
RID body = ps->body_create(Physics2DServer::BODY_MODE_STATIC);
|
|
ps->body_set_space(body,space);
|
|
ps->body_add_shape(body,concave);
|
|
ps->body_set_state(body,Physics2DServer::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) {
|
|
Physics2DDirectBodyState *state=(Physics2DDirectBodyState *)p_state;
|
|
VisualServer::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;
|
|
}
|
|
|
|
VisualServer *vs = VisualServer::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(_MD("_body_moved"),&TestPhysics2DMainLoop::_body_moved);
|
|
ClassDB::bind_method(_MD("_ray_query_callback"),&TestPhysics2DMainLoop::_ray_query_callback);
|
|
}
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
virtual void init() {
|
|
|
|
VisualServer *vs = VisualServer::get_singleton();
|
|
Physics2DServer *ps = Physics2DServer::get_singleton();
|
|
|
|
|
|
|
|
space=ps->space_create();
|
|
ps->space_set_active(space,true);
|
|
ps->set_active(true);
|
|
ps->area_set_param(space,Physics2DServer::AREA_PARAM_GRAVITY_VECTOR,Vector2(0,1));
|
|
ps->area_set_param(space,Physics2DServer::AREA_PARAM_GRAVITY,98);
|
|
|
|
{
|
|
|
|
RID vp = vs->viewport_create();
|
|
canvas = vs->canvas_create();
|
|
vs->viewport_attach_canvas(vp,canvas);
|
|
vs->viewport_attach_to_screen(vp,Rect2(Vector2(),OS::get_singleton()->get_window_size()));
|
|
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++) {
|
|
|
|
Physics2DServer::ShapeType types[4]={
|
|
Physics2DServer::SHAPE_CIRCLE,
|
|
Physics2DServer::SHAPE_CAPSULE,
|
|
Physics2DServer::SHAPE_RECTANGLE,
|
|
Physics2DServer::SHAPE_CONVEX_POLYGON,
|
|
|
|
};
|
|
|
|
Physics2DServer::ShapeType type = types[i%4];
|
|
//type=Physics2DServer::SHAPE_SEGMENT;
|
|
_add_body(type,Transform2D(i*0.8,Point2(152+i*40,100-40*i)));
|
|
/*
|
|
if (i==0)
|
|
ps->body_set_mode(b,Physics2DServer::BODY_MODE_STATIC);
|
|
*/
|
|
}
|
|
|
|
//RID b= _add_body(Physics2DServer::SHAPE_CIRCLE,Transform2D(0,Point2(101,140)));
|
|
//ps->body_set_mode(b,Physics2DServer::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) {
|
|
|
|
|
|
return false;
|
|
}
|
|
virtual void finish() {
|
|
|
|
|
|
}
|
|
|
|
|
|
TestPhysics2DMainLoop() {}
|
|
|
|
};
|
|
|
|
|
|
namespace TestPhysics2D {
|
|
|
|
|
|
MainLoop* test() {
|
|
|
|
|
|
return memnew( TestPhysics2DMainLoop );
|
|
}
|
|
|
|
|
|
}
|