3))) * 43758.5453);\\n// }\\n\\n@compute @workgroup_size(16, 16)\\nfn main_image(\\n @builtin(global_invocation_id) o_trn: vec3u\\n) {\\n let o_scl = textureDimensions(screen);\\n let n_scl_min = min(f32(o_scl.x), f32(o_scl.y));\\n let naa = 1./n_scl_min;\\n let o_trn_nor = (vec2f(o_trn.xy)-vec2f(o_scl.xy)*.5) / n_scl_min; \\n let o_trn_nor_mou = (vec2f(mouse.pos.xy)-vec2f(o_scl.xy)*.5) / n_scl_min;\\n let o_trn_nor_mou_last = textureLoad(\\n pass_in, \\n vec2(0), \\n 0, 0\\n );\\n\\n if(time.frame == 0){\\n\\n let o_rnd1 = fhash22(vec2f(o_trn.xy));\\n var op = vec4f(\\n o_rnd1-.5,\\n fhash22(o_rnd1)-float2(0., -.5)\\n );\\n op.w = 1.;//direction\\n if(o_trn.x % 2 == 0){\\n op = float4(\\n float2(0.0, 0.0001),//velocity\\n float2(0.0, 0.0001)//accelleartion\\n );\\n // op.zw = float2(0.0, 0.1);//accelleartion\\n }\\n\\n // textureStore(pass_out, o_trn.xy, vec4f(o_rnd.xyz, 1.));\\n textureStore(screen, o_trn.xy, op);\\n textureStore(pass_out, o_trn.xy, 0, op);\\n\\n return;\\n }\\n\\n let o_dir_mouse = o_trn_nor_mou_last.zw;\\n let n_speed_mouse = length(o_dir_mouse);\\n let n_rad_mouse = 0.1;\\n let n_rad_point_max = 0.03;\\n let n_rad_point_min = 0.03;\\n var o_pos = textureLoad(\\n pass_in, \\n o_trn.xy, \\n 0, 0\\n );\\n var o_vel_acc = textureLoad(\\n pass_in, \\n o_trn.xy+vec2(1, 0), \\n 0, 0\\n );\\n if(o_trn.x == 0 && o_trn.y == 0){\\n // last mouse \\n let op = vec4(\\n o_trn_nor_mou.xy,\\n o_trn_nor_mou_last.xy - o_trn_nor_mou.xy // delta\\n );\\n // textureStore(pass_out, o_trn.xy, vec4f(o_rnd.xyz, 1.));\\n textureStore(screen, vec2(0), op);\\n textureStore(pass_out, vec2(0), 0, op);\\n return;\\n }\\n if(o_trn.y <= 1 && o_trn.x % 2 == 0){\\n return;\\n }\\n\\n if(o_trn.y <= 1){\\n\\n\\n let nrad = o_pos.z * n_rad_point_max+n_rad_point_min;\\n let o_ball_pos_nor = (o_pos+.5);\\n //top bottom boundries\\n if(\\n o_ball_pos_nor.y-nrad < 0.\\n || \\n o_ball_pos_nor.y+nrad > 1.\\n ){ \\n o_vel_acc = float4(\\n o_vel_acc.x,\\n -.8*o_vel_acc.y,//+ o_vel_acc.zw,\\n o_vel_acc.zw//*1.2\\n );\\n }\\n // left right boundries\\n if(\\n o_ball_pos_nor.x-nrad < 0.\\n || \\n o_ball_pos_nor.x+nrad > 1.\\n ){ \\n o_vel_acc = float4(\\n -.8*o_vel_acc.x,\\n o_vel_acc.y,//+ o_vel_acc.zw,\\n o_vel_acc.zw//*1.2\\n );\\n }\\n\\n o_vel_acc = float4(\\n o_vel_acc.xy + o_vel_acc.zw,\\n o_vel_acc.zw\\n );\\n\\n o_pos = float4(\\n o_pos.xy + o_vel_acc.xy,\\n o_pos.zw\\n );\\n\\n //if ball makes it outside if rectangle , reset its position and velocity\\n let ndist = max(abs(o_ball_pos_nor.x), abs(o_ball_pos_nor.y));\\n if(ndist > 1.01){\\n o_pos = float4(\\n vec2(0.),\\n o_pos.zw\\n );\\n o_vel_acc = float4(\\n float2(0.0, 0.0001),\\n o_vel_acc.zw\\n );\\n }\\n\\n\\n // o_pos.xy += o_pos2.xy;\\n let o_dir = o_pos.xy-o_trn_nor_mou.xy;\\n let nl = length(o_dir);\\n let nt = n_rad_mouse+nrad;\\n if(nl < (nt)){\\n o_pos = float4(\\n float2(\\n o_trn_nor_mou.xy + (normalize(o_dir)*nt)\\n ), \\n o_pos.zw \\n );\\n o_vel_acc = float4(\\n o_vel_acc.xy+n_speed_mouse*normalize(o_dir),\\n o_vel_acc.zw//*1.2\\n );\

@compute.toys