akexorcist/right_edge_semi_circle_formula.md

Last active January 28, 2021 07:32

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Build Coupon UI - Right edge semi circle formula (https://medium.com/@akexorcist/how-we-built-developer-friendly-coupon-ui-in-android-part-2-78933730d335)

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right_edge_semi_circle_formula.md

x1 = area_width - ((semi_circle_radius / 2) + (border_width / 2))
y1 = (area_height / 2) - (semi_circle_radius / 2)
x2 = area_width + ((semi_circle_radius / 2) - (border_width / 2))
y2 = (area_height / 2) + (semi_circle_radius / 2)
start_angle = 270
sweep_angle = -180

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