/*************************************************************************/ /* test_physics_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 "servers/visual_server.h" #include "servers/physics_2d_server.h" #include "os/main_loop.h" #include "print_string.h" #include "map.h" #include "scene/resources/texture.h" #include "os/os.h" static const unsigned char convex_png[]={ 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}; class TestPhysics2DMainLoop : public MainLoop { OBJ_TYPE( TestPhysics2DMainLoop, MainLoop ); RID circle_img; RID circle_shape; RID space; RID canvas; RID ray; RID ray_query; Matrix32 view_xform; Vector2 ray_from,ray_to; struct BodyShapeData { RID image; RID shape; }; BodyShapeData body_shape_data[6]; void _create_body_shape_data() { VisualServer *vs = VisualServer::get_singleton(); Physics2DServer *ps = Physics2DServer::get_singleton(); // SEGMENT { DVector 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); } } Image image(32,2,0,Image::FORMAT_GRAYSCALE_ALPHA,pixels); body_shape_data[Physics2DServer::SHAPE_SEGMENT].image=vs->texture_create_from_image(image); RID segment_shape = ps->shape_create(Physics2DServer::SHAPE_SEGMENT); Rect2 sg(Point2(-16,0),Point2(16,0)); ps->shape_set_data(segment_shape,sg); body_shape_data[Physics2DServer::SHAPE_SEGMENT].shape = segment_shape; } // CIRCLE { DVector 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); } } Image image(32,32,0,Image::FORMAT_GRAYSCALE_ALPHA,pixels); body_shape_data[Physics2DServer::SHAPE_CIRCLE].image=vs->texture_create_from_image(image); RID circle_shape = ps->shape_create(Physics2DServer::SHAPE_CIRCLE); ps->shape_set_data(circle_shape,16); body_shape_data[Physics2DServer::SHAPE_CIRCLE].shape = circle_shape; } // BOX { DVector 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); } } Image image(32,32,0,Image::FORMAT_GRAYSCALE_ALPHA,pixels); body_shape_data[Physics2DServer::SHAPE_RECTANGLE].image=vs->texture_create_from_image(image); 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 { DVector 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_GRAYSCALE_ALPHA,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_CONVEX_POLYGON].image=vs->texture_create_from_image(image); RID convex_polygon_shape = ps->shape_create(Physics2DServer::SHAPE_CONVEX_POLYGON); DVector 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_CONVEX_POLYGON].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 Matrix32& 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& p_points,const Matrix32& p_xform=Matrix32()) { 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;icanvas_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() { ObjectTypeDB::bind_method(_MD("_body_moved"),&TestPhysics2DMainLoop::_body_moved); ObjectTypeDB::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); Matrix32 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; RID b = _add_body(type,Matrix32(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,Matrix32(0,Point2(101,140))); //ps->body_set_mode(b,Physics2DServer::BODY_MODE_STATIC); Point2 prev; Vector 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 ); } }