draw_set_color(c_red);
twdsXspeed += (owngravity * gravityincrement);
if (collision_line(x, y, twdsX, twdsY, obj_heart, false, true))
    draw_set_color(c_green);
if (collision_line(x, y, twdsX + twdsXspeed, twdsY + twdsYspeed, obj_heart, false, true))
    draw_set_color(c_green);
draw_triangle(x, y, twdsX, twdsY, twdsX + twdsXspeed, twdsY + twdsYspeed, 0);
twdsX += twdsXspeed;
twdsY += twdsYspeed;