def draw_frame(self, canvas, balls):
#draws border, arrows and balls on to canvas
cw = self.cw
ch = self.ch
xu= self.xu
#reset canvas
draw.reset2(canvas,xu)
#clear canvas
draw.clear_canvas(canvas, "#fff")
#balls
for i in range(0,2):
if i%2 == 0:
canvas.fill_style = "#4c7fbe"
else:
canvas.fill_style ="#bb2828"
draw.circle(canvas, balls[i].radius,balls[i].pos.x, balls[i].pos.y)
canvas.fill()
#borders
canvas.stroke_style = "#000"
canvas.line_width = self.border/xu
canvas.stroke_rect(0,0, cw/(1.0*xu),ch/(1.0*xu))
#arrows
if not self.running and self.check_vel.checked:
for ball in balls:
draw.vel_arrows(canvas, ball, self.linewidth, self.arrow_scale)
draw.reset2(canvas, xu)
def draw_frame(self, canvas, balls):
#draws border, arrows and balls on to canvas
cw = self.cw
ch = self.ch
xu = self.xu
#reset canvas
draw.reset2(canvas, xu)
#clear canvas
draw.clear_canvas(canvas, "#fff")
#balls
for i in range(0, 2):
if i % 2 == 0:
canvas.fill_style = "#4c7fbe"
else:
canvas.fill_style = "#bb2828"
draw.circle(canvas, balls[i].radius, balls[i].pos.x,
balls[i].pos.y)
canvas.fill()
#borders
canvas.stroke_style = "#000"
canvas.line_width = self.border / xu
canvas.stroke_rect(0, 0, cw / (1.0 * xu), ch / (1.0 * xu))
#arrows
if not self.running and self.check_vel.checked:
for ball in balls:
draw.vel_arrows(canvas, ball, self.linewidth, self.arrow_scale)
draw.reset2(canvas, xu)
def draw_all(self):
canvas = self.canvas
xu = self.xu
canvas.xu = xu
ball = self.ball
draw.reset2(canvas, xu)
draw.clear_canvas(canvas, "#fff")
#ball
drawrad = ball.radius*(1/(1+ball.pos.z/3))
if 0.01>drawrad or drawrad>10:
self.running = False
self.btn_run.text = "Run"
else:
draw.circle(canvas, drawrad, ball.pos.x, ball.pos.y)
canvas.fill_style = "rgb(30, 96, 139)"
canvas.fill()
if self.running and self.check_trail.checked:
b = len(self.trail)
canvas.begin_path()
canvas.move_to(self.trail[0].x, self.trail[0].y)
canvas.quadratic_curve_to(self.trail[int(b/2)].x, self.trail[int(b/2)].y, self.trail[-1].x, self.trail[-1].y)
canvas.line_width = 0.03
canvas.stroke()
#paths
if not self.running and self.check_paths.checked:
draw.paths(canvas,self.paths, self.line_width, "#000")
#arrows
if not self.running:
draw.vel_arrows(canvas, self.ball, self.line_width, self.arrow_scale)
draw.reset2(canvas, xu)
#field arrows
canvas.scale(1.0/self.xu, 1.0/self.xu)
draw.cart_arrows(canvas, self.E, 3, 100/((self.E.mag()+1)), x = 30, y = 50)
B2 = self.B*10e3
draw.cart_arrows(canvas, B2, 3, 100/((B2.mag()+1)), x = (self.cw - 80), y = 50)
canvas.scale(1,-1)
canvas.font= "20px sans-serif"
canvas.fill_text("E",50, -30 )
canvas.fill_text("B",(self.cw - 60), -30 )
canvas.scale(self.xu, -self.xu)
#frame
draw.border(canvas,5, "#000", xu)
def draw_all(self):
canvas = self.canvas
xu = self.xu
canvas.xu = xu
ball = self.ball
draw.reset2(canvas, xu)
draw.clear_canvas(canvas, "#fff")
#ball
drawrad = ball.radius * (1 / (1 + ball.pos.z / 3))
if 0.01 > drawrad or drawrad > 10:
self.running = False
self.btn_run.text = "Run"
else:
draw.circle(canvas, drawrad, ball.pos.x, ball.pos.y)
canvas.fill_style = "rgb(30, 96, 139)"
canvas.fill()
if self.running and self.check_trail.checked:
b = len(self.trail)
canvas.begin_path()
canvas.move_to(self.trail[0].x, self.trail[0].y)
canvas.quadratic_curve_to(self.trail[int(b / 2)].x,
self.trail[int(b / 2)].y,
self.trail[-1].x, self.trail[-1].y)
canvas.line_width = 0.03
canvas.stroke()
#paths
if not self.running and self.check_paths.checked:
draw.paths(canvas, self.paths, self.line_width, "#000")
#arrows
if not self.running:
draw.vel_arrows(canvas, self.ball, self.line_width,
self.arrow_scale)
draw.reset2(canvas, xu)
#field arrows
canvas.scale(1.0 / self.xu, 1.0 / self.xu)
draw.cart_arrows(canvas,
self.E,
3,
100 / ((self.E.mag() + 1)),
x=30,
y=50)
B2 = self.B * 10e3
draw.cart_arrows(canvas,
B2,
3,
100 / ((B2.mag() + 1)),
x=(self.cw - 80),
y=50)
canvas.scale(1, -1)
canvas.font = "20px sans-serif"
canvas.fill_text("E", 50, -30)
canvas.fill_text("B", (self.cw - 60), -30)
canvas.scale(self.xu, -self.xu)
#frame
draw.border(canvas, 5, "#000", xu)