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example_alpha_layer.py
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example_alpha_layer.py
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from visuel import Point, fill_rect, fill_rectangle, fill_circle, fill_polygone
# Exemple 1
down_color = "red"
up_color = "blue"
def example_1():
fill_rect(15, 50, 70, 80, down_color)
fill_rectangle(Point(30, 80), Point(100, 160), up_color, 1)
fill_rect(15+100, 50, 70, 80, down_color)
fill_rectangle(Point(130, 80), Point(200, 160), up_color, 0.5)
fill_rect(15+200, 50, 70, 80, down_color)
fill_rectangle(Point(230, 80), Point(300, 160), up_color, 0.1)
#example_1()
# Exemple 2
alpha = 0.5
def example_2():
C1, C2, C3 = Point(100,100), Point(130,100), Point(115,130)
fill_circle(C1, 30, "magenta", alpha)
fill_circle(C2, 30, "yellow", alpha)
fill_circle(C3, 30, "cyan", alpha)
C1, C2, C3 = Point(200,100), Point(230,100), Point(215,130)
fill_circle(C3, 30, "blue", alpha)
fill_circle(C1, 30, "red", alpha)
fill_circle(C2, 30, "green", alpha)
#example_2()
# Example 3
alpha = 0
C = Point(160,110)
def animation():
global alpha
while alpha <= 1:
fill_rect(0,0,320,222,"white")
fill_polygone(5, 100, C, color="red", alpha=alpha)
alpha += 0.1
animation()