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Diffstat (limited to 'main/tests/test_physics_2d.cpp')
| -rw-r--r-- | main/tests/test_physics_2d.cpp | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/main/tests/test_physics_2d.cpp b/main/tests/test_physics_2d.cpp new file mode 100644 index 0000000000..39b4e7edda --- /dev/null +++ b/main/tests/test_physics_2d.cpp @@ -0,0 +1,467 @@ +/*************************************************************************/ +/* test_physics_2d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2016 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 { + + GDCLASS( 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 + + { + + PoolVector<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); + } + } + + Image image(32,2,0,Image::FORMAT_LA8,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 + + { + + PoolVector<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); + } + } + + Image image(32,32,0,Image::FORMAT_LA8,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 + + { + + PoolVector<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); + } + } + + Image image(32,32,0,Image::FORMAT_LA8,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 + + { + + 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 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<Vector2>& 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;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())); + 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; + _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<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 ); +} + + +} |