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timothyschoentimothyschoen
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Example fix
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‎pdlua/hello-gui.pd_lua

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local hello = pd.Class:new():register("hello")function hello:initialize(sel, atoms) self.inlets = 1 self.circle_x = 480 self.circle_y = 15 self.circle_radius = 15 self.animation_speed = 2 self.draggable_rect_x = 550 self.draggable_rect_y = 130 self.draggable_rect_size = 50 self.dragging_rect = false self.mouse_down_pos = {0, 0} self.rect_down_pos = {0, 0} self.gui = 1 gfx.set_size(630, 230) return trueendfunction math.clamp(val, lower, upper) if lower > upper then lower, upper = upper, lower end -- swap if boundaries supplied the wrong way return math.max(lower, math.min(upper, val))endfunction hello:postinitialize() self.clock = pd.Clock:new():register(self, "tick") self.clock:delay(16)endfunction hello:finalize() self.clock:destruct()endfunction hello:mouse_down(x, y) if x > self.draggable_rect_x and y > self.draggable_rect_y and x < self.draggable_rect_x + self.draggable_rect_size and y < self.draggable_rect_y + self.draggable_rect_size then dragging_rect = true self.mouse_down_pos[0] = x self.mouse_down_pos[1] = y self.rect_down_pos[0] = self.draggable_rect_x self.rect_down_pos[1] = self.draggable_rect_y else dragging_rect = false endendfunction hello:mouse_drag(x, y) if dragging_rect == true then self.draggable_rect_x = self.rect_down_pos[0] + (x - self.mouse_down_pos[0]) self.draggable_rect_y = self.rect_down_pos[1] + (y - self.mouse_down_pos[1]) self.draggable_rect_x = math.clamp(self.draggable_rect_x, 0, 620 - self.draggable_rect_size) self.draggable_rect_y = math.clamp(self.draggable_rect_y, 0, 230 - self.draggable_rect_size) self:repaint() endendfunction hello:paint() gfx.set_color(250, 200, 240) gfx.fill_all() -- Filled examples gfx.set_color(66, 207, 201, 0.3) gfx.fill_ellipse(30, 50, 30, 30) gfx.set_color(0, 159, 147, 1) gfx.fill_rect(120, 50, 30, 30) gfx.set_color(250, 84, 108, 1) gfx.fill_rounded_rect(210, 50, 30, 30, 5) gfx.set_color(252, 118, 81, 1) -- Star using line_to paths local starX1, starY1 = 310, 45 local starSize = 15 gfx.start_path(starX1, starY1) -- Star using line_to paths gfx.line_to(starX1 + 5, starY1 + 14) gfx.line_to(starX1 + 20, starY1 + 14) gfx.line_to(starX1 + 8, starY1 + 22) gfx.line_to(starX1 + 14, starY1 + 36) gfx.line_to(starX1, starY1 + 27) gfx.line_to(starX1 - 14, starY1 + 36) gfx.line_to(starX1 - 6, starY1 + 22) gfx.line_to(starX1 - 18, starY1 + 14) gfx.line_to(starX1 - 3, starY1 + 14) gfx.close_path() gfx.fill_path() gfx.set_color(255, 219, 96, 1) -- Bezier curve example gfx.translate(140, 20) gfx.scale(0.5, 1.0) gfx.start_path(450, 50) gfx.cubic_to(500, 30, 550, 70, 600, 50) gfx.close_path() gfx.stroke_path(2) gfx.reset_transform() -- Stroked examples gfx.set_color(66, 207, 201, 1) gfx.stroke_ellipse(30, 150, 30, 30, 2) gfx.set_color(0, 159, 147, 1) gfx.stroke_rect(120, 150, 30, 30, 2) gfx.set_color(250, 84, 108, 1) gfx.stroke_rounded_rect(210, 150, 30, 30, 5, 2) gfx.set_color(252, 118, 81, 1) local starX2, starY2 = 310, 145 local starSize = 15 -- Star using line_to paths gfx.start_path(starX2, starY2) gfx.line_to(starX2 + 5, starY2 + 14) gfx.line_to(starX2 + 20, starY2 + 14) gfx.line_to(starX2 + 8, starY2 + 22) gfx.line_to(starX2 + 14, starY2 + 36) gfx.line_to(starX2, starY2 + 27) gfx.line_to(starX2 - 14, starY2 + 36) gfx.line_to(starX2 - 6, starY2 + 22) gfx.line_to(starX2 - 18, starY2 + 14) gfx.line_to(starX2 - 3, starY2 + 14) gfx.close_path() gfx.stroke_path(2) gfx.set_color(255, 219, 96, 1) -- Bezier curve example gfx.translate(140, 20) gfx.scale(0.5, 1.0) gfx.start_path(450, 150) gfx.cubic_to(500, 130, 550, 170, 600, 150) gfx.fill_path() gfx.reset_transform() -- Draggable rectangle gfx.set_color(66, 207, 201, 1) gfx.fill_rounded_rect(self.draggable_rect_x, self.draggable_rect_y, self.draggable_rect_size, self.draggable_rect_size, 5) gfx.set_color(0, 0, 0, 1) gfx.draw_text("Drag me!", self.draggable_rect_x + 8, self.draggable_rect_y + 20, self.draggable_rect_size, 10) -- Titles gfx.set_color(252, 118, 81, 1) gfx.draw_text("Ellipse", 32, 190, 120, 10) gfx.draw_text("Rectangle", 116, 190, 120, 10) gfx.draw_text("Rounded Rectangle", 188, 190, 120, 10) gfx.draw_text("Paths", 300, 190, 120, 10) gfx.draw_text("Bezier Paths", 380, 190, 120, 10) gfx.draw_text("Animation", 470, 190, 120, 10) gfx.draw_text("Mouse Interaction", 540, 190, 120, 10) gfx.set_color(250, 84, 108, 1) gfx.fill_ellipse(self.circle_x, self.circle_y, self.circle_radius, self.circle_radius)endfunction hello:tick() self.circle_y = self.circle_y + self.animation_speed if self.circle_y > 160 + self.circle_radius then self.circle_y = -self.circle_radius end self:repaint() self.clock:delay(16)endfunction hello:in_1_bang() self:repaint()end
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local hello = pd.Class:new():register("hello-gui")
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function hello:initialize(sel, atoms)
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self.inlets = 1
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self.circle_x = 480
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self.circle_y = 15
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self.circle_radius = 15
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self.animation_speed = 2
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self.draggable_rect_x = 550
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self.draggable_rect_y = 130
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self.draggable_rect_size = 50
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self.dragging_rect = false
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self.mouse_down_pos = {0, 0}
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self.rect_down_pos = {0, 0}
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self.gui = 1
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gfx.set_size(630, 230)
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return true
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end
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function math.clamp(val, lower, upper)
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if lower > upper then lower, upper = upper, lower end -- swap if boundaries supplied the wrong way
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return math.max(lower, math.min(upper, val))
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end
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function hello:postinitialize()
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self.clock = pd.Clock:new():register(self, "tick")
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self.clock:delay(16)
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end
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function hello:finalize()
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self.clock:destruct()
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end
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function hello:mouse_down(x, y)
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if x > self.draggable_rect_x and y > self.draggable_rect_y and x < self.draggable_rect_x + self.draggable_rect_size and y < self.draggable_rect_y + self.draggable_rect_size then
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dragging_rect = true
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self.mouse_down_pos[0] = x
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self.mouse_down_pos[1] = y
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self.rect_down_pos[0] = self.draggable_rect_x
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self.rect_down_pos[1] = self.draggable_rect_y
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else
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dragging_rect = false
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end
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end
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function hello:mouse_drag(x, y)
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if dragging_rect == true then
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self.draggable_rect_x = self.rect_down_pos[0] + (x - self.mouse_down_pos[0])
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self.draggable_rect_y = self.rect_down_pos[1] + (y - self.mouse_down_pos[1])
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self.draggable_rect_x = math.clamp(self.draggable_rect_x, 0, 620 - self.draggable_rect_size)
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self.draggable_rect_y = math.clamp(self.draggable_rect_y, 0, 230 - self.draggable_rect_size)
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self:repaint()
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end
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end
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function hello:paint()
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gfx.set_color(250, 200, 240)
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gfx.fill_all()
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-- Filled examples
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gfx.set_color(66, 207, 201, 0.3)
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gfx.fill_ellipse(30, 50, 30, 30)
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gfx.set_color(0, 159, 147, 1)
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gfx.fill_rect(120, 50, 30, 30)
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gfx.set_color(250, 84, 108, 1)
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gfx.fill_rounded_rect(210, 50, 30, 30, 5)
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gfx.set_color(252, 118, 81, 1)
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-- Star using line_to paths
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local starX1, starY1 = 310, 45
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local starSize = 15
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gfx.start_path(starX1, starY1)
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-- Star using line_to paths
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gfx.line_to(starX1 + 5, starY1 + 14)
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gfx.line_to(starX1 + 20, starY1 + 14)
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gfx.line_to(starX1 + 8, starY1 + 22)
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gfx.line_to(starX1 + 14, starY1 + 36)
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gfx.line_to(starX1, starY1 + 27)
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gfx.line_to(starX1 - 14, starY1 + 36)
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gfx.line_to(starX1 - 6, starY1 + 22)
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gfx.line_to(starX1 - 18, starY1 + 14)
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gfx.line_to(starX1 - 3, starY1 + 14)
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gfx.close_path()
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gfx.fill_path()
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gfx.set_color(255, 219, 96, 1)
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-- Bezier curve example
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gfx.translate(140, 20)
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gfx.scale(0.5, 1.0)
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gfx.start_path(450, 50)
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gfx.cubic_to(500, 30, 550, 70, 600, 50)
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gfx.close_path()
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gfx.stroke_path(2)
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gfx.reset_transform()
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-- Stroked examples
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gfx.set_color(66, 207, 201, 1)
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gfx.stroke_ellipse(30, 150, 30, 30, 2)
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gfx.set_color(0, 159, 147, 1)
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gfx.stroke_rect(120, 150, 30, 30, 2)
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gfx.set_color(250, 84, 108, 1)
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gfx.stroke_rounded_rect(210, 150, 30, 30, 5, 2)
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gfx.set_color(252, 118, 81, 1)
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local starX2, starY2 = 310, 145
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local starSize = 15
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-- Star using line_to paths
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gfx.start_path(starX2, starY2)
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gfx.line_to(starX2 + 5, starY2 + 14)
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gfx.line_to(starX2 + 20, starY2 + 14)
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gfx.line_to(starX2 + 8, starY2 + 22)
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gfx.line_to(starX2 + 14, starY2 + 36)
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gfx.line_to(starX2, starY2 + 27)
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gfx.line_to(starX2 - 14, starY2 + 36)
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gfx.line_to(starX2 - 6, starY2 + 22)
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gfx.line_to(starX2 - 18, starY2 + 14)
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gfx.line_to(starX2 - 3, starY2 + 14)
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gfx.close_path()
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gfx.stroke_path(2)
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gfx.set_color(255, 219, 96, 1)
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-- Bezier curve example
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gfx.translate(140, 20)
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gfx.scale(0.5, 1.0)
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gfx.start_path(450, 150)
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gfx.cubic_to(500, 130, 550, 170, 600, 150)
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gfx.fill_path()
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gfx.reset_transform()
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-- Draggable rectangle
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gfx.set_color(66, 207, 201, 1)
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gfx.fill_rounded_rect(self.draggable_rect_x, self.draggable_rect_y, self.draggable_rect_size, self.draggable_rect_size, 5)
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gfx.set_color(0, 0, 0, 1)
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gfx.draw_text("Drag me!", self.draggable_rect_x + 8, self.draggable_rect_y + 20, self.draggable_rect_size, 10)
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-- Titles
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gfx.set_color(252, 118, 81, 1)
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gfx.draw_text("Ellipse", 32, 190, 120, 10)
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gfx.draw_text("Rectangle", 116, 190, 120, 10)
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gfx.draw_text("Rounded Rectangle", 188, 190, 120, 10)
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gfx.draw_text("Paths", 300, 190, 120, 10)
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gfx.draw_text("Bezier Paths", 380, 190, 120, 10)
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gfx.draw_text("Animation", 470, 190, 120, 10)
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gfx.draw_text("Mouse Interaction", 540, 190, 120, 10)
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gfx.set_color(250, 84, 108, 1)
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gfx.fill_ellipse(self.circle_x, self.circle_y, self.circle_radius, self.circle_radius)
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end
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function hello:tick()
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self.circle_y = self.circle_y + self.animation_speed
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if self.circle_y > 160 + self.circle_radius then
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self.circle_y = -self.circle_radius
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end
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self:repaint()
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self.clock:delay(16)
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end
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function hello:in_1_bang()
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self:repaint()
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end

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