当前位置: 首页>>代码示例>>C++>>正文


C++ Matrix32::translate方法代码示例

本文整理汇总了C++中Matrix32::translate方法的典型用法代码示例。如果您正苦于以下问题:C++ Matrix32::translate方法的具体用法?C++ Matrix32::translate怎么用?C++ Matrix32::translate使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Matrix32的用法示例。


在下文中一共展示了Matrix32::translate方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: size


//.........这里部分代码省略.........
				float ptime = ((float)i / particle_count)*explosiveness;

				if (ptime<time_pos)
					ptime=time_pos-ptime;
				else
					ptime=(1.0-ptime)+time_pos;

				uint32_t rand_seed=p.seed*(i+1);

				Color color;

				if(color_ramp.is_valid())
				{
					color = color_ramp->get_color_at_offset(ptime);
				} else
				{
					color = default_color;
				}


				{
					float huerand=_rand_from_seed(&rand_seed);
					float huerot = param[PARAM_HUE_VARIATION] + randomness[PARAM_HUE_VARIATION] * huerand;

					if (Math::abs(huerot) > CMP_EPSILON) {

						float h=color.get_h();
						float s=color.get_s();
						float v=color.get_v();
						float a=color.a;
						//float preh=h;
						h+=huerot;
						h=Math::abs(Math::fposmod(h,1.0));
						//print_line("rand: "+rtos(randomness[PARAM_HUE_VARIATION])+" rand: "+rtos(huerand));
						//print_line(itos(i)+":hue: "+rtos(preh)+" + "+rtos(huerot)+" = "+rtos(h));
						color.set_hsv(h,s,v);
						color.a=a;
					}
				}

				float initial_size = param[PARAM_INITIAL_SIZE]+param[PARAM_INITIAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_FINAL_SIZE];
				float final_size = param[PARAM_FINAL_SIZE]+param[PARAM_FINAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_FINAL_SIZE];

				float size_mult=initial_size*(1.0-ptime) + final_size*ptime;

				//Size2 rectsize=size * size_mult;
				//rectsize=rectsize.floor();

				//Rect2 r = Rect2(Vecto,rectsize);

				Matrix32 xform;

				if (p.rot) {

					xform.set_rotation(p.rot);
					xform.translate(-size*size_mult/2.0);
					xform.elements[2]+=p.pos;
				} else {
					xform.elements[2]=-size*size_mult/2.0;
					xform.elements[2]+=p.pos;
				}

				if (!local_space) {
					xform = invxform * xform;
				}


				xform.scale_basis(Size2(size_mult,size_mult));


				VisualServer::get_singleton()->canvas_item_add_set_transform(ci,xform);


				if (texrid.is_valid()) {

					Rect2 src_rect;
					src_rect.size=size;

					if (total_frames>1) {
						int frame = Math::fast_ftoi(Math::floor(p.frame*total_frames)) % total_frames;
						src_rect.pos.x = size.x * (frame%h_frames);
						src_rect.pos.y = size.y * (frame/h_frames);
					}


					texture->draw_rect_region(ci,Rect2(Point2(),size),src_rect,color);
					//VisualServer::get_singleton()->canvas_item_add_texture_rect(ci,r,texrid,false,color);
				} else {
					VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(Point2(),size),color);

				}

			}


		} break;

	}

}
开发者ID:AwsomeGameEngine,项目名称:godot,代码行数:101,代码来源:particles_2d.cpp

示例2: dcol

void RayCast2D::_notification(int p_what) {

	switch(p_what) {

		case NOTIFICATION_ENTER_TREE: {

			if (enabled && !get_tree()->is_editor_hint())
				set_fixed_process(true);
			else
				set_fixed_process(false);

		} break;
		case NOTIFICATION_EXIT_TREE: {

			if (enabled)
				set_fixed_process(false);

		} break;
#ifdef TOOLS_ENABLED
		case NOTIFICATION_DRAW: {

			if (!get_tree()->is_editor_hint())
				break;
			Matrix32 xf;
			xf.rotate(cast_to.atan2());
			xf.translate(Vector2(0,cast_to.length()));

			//Vector2 tip = Vector2(0,s->get_length());
			Color dcol(0.9,0.2,0.2,0.4);
			draw_line(Vector2(),cast_to,dcol,3);
			Vector<Vector2> pts;
			float tsize=4;
			pts.push_back(xf.xform(Vector2(0,tsize)));
			pts.push_back(xf.xform(Vector2(0.707*tsize,0)));
			pts.push_back(xf.xform(Vector2(-0.707*tsize,0)));
			Vector<Color> cols;
			for(int i=0;i<3;i++)
				cols.push_back(dcol);

			draw_primitive(pts,cols,Vector<Vector2>()); //small arrow

		} break;
#endif

		case NOTIFICATION_FIXED_PROCESS: {

			if (!enabled)
				break;



			Ref<World2D> w2d = get_world_2d();
			ERR_BREAK( w2d.is_null() );

			Physics2DDirectSpaceState *dss = Physics2DServer::get_singleton()->space_get_direct_state(w2d->get_space());
			ERR_BREAK( !dss );

			Matrix32 gt = get_global_transform();

			Vector2 to = cast_to;
			if (to==Vector2())
				to=Vector2(0,0.01);

			Physics2DDirectSpaceState::RayResult rr;

			if (dss->intersect_ray(gt.get_origin(),gt.xform(to),rr,exclude,layer_mask)) {

				collided=true;
				against=rr.collider_id;
				collision_point=rr.position;
				collision_normal=rr.normal;
				against_shape=rr.shape;
			} else {
				collided=false;
			}



		} break;
	}
}
开发者ID:3miu,项目名称:godot,代码行数:81,代码来源:ray_cast_2d.cpp

示例3:

void RayCast2D::_notification(int p_what) {

	switch(p_what) {

		case NOTIFICATION_ENTER_TREE: {

			if (enabled && !get_tree()->is_editor_hint())
				set_fixed_process(true);
			else
				set_fixed_process(false);

			if (get_parent()->cast_to<PhysicsBody2D>()) {
				if (exclude_parent_body)
					exclude.insert( get_parent()->cast_to<PhysicsBody2D>()->get_rid() );
				else
					exclude.erase( get_parent()->cast_to<PhysicsBody2D>()->get_rid() );
			}
		} break;
		case NOTIFICATION_EXIT_TREE: {

			if (enabled)
				set_fixed_process(false);

		} break;

		case NOTIFICATION_DRAW: {

			if (!get_tree()->is_editor_hint()  && !get_tree()->is_debugging_collisions_hint())
				break;
			Matrix32 xf;
			xf.rotate(cast_to.angle());
			xf.translate(Vector2(0,cast_to.length()));

			//Vector2 tip = Vector2(0,s->get_length());
			Color dcol=get_tree()->get_debug_collisions_color();//0.9,0.2,0.2,0.4);
			draw_line(Vector2(),cast_to,dcol,3);
			Vector<Vector2> pts;
			float tsize=4;
			pts.push_back(xf.xform(Vector2(0,tsize)));
			pts.push_back(xf.xform(Vector2(0.707*tsize,0)));
			pts.push_back(xf.xform(Vector2(-0.707*tsize,0)));
			Vector<Color> cols;
			for(int i=0;i<3;i++)
				cols.push_back(dcol);

			draw_primitive(pts,cols,Vector<Vector2>()); //small arrow

		} break;


		case NOTIFICATION_FIXED_PROCESS: {

			if (!enabled)
				break;

			_update_raycast_state();


		} break;
	}
}
开发者ID:FEDE0D,项目名称:godot,代码行数:61,代码来源:ray_cast_2d.cpp


注:本文中的Matrix32::translate方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。