11a

2020/sketch_2020_07_11a/sketch_2020_07_11a.pyde

@@ -0,0 +1,146 @@
+"""
+Baseado em exemplo de André Burnier
+portado do Processing Java para Python
+por Thiago Bellotti e Alexandre Villares
+Brincando com vértices da fonte Tomorrow
+de Tony de Marco e Monica Rizzolli
+"""
+
+add_library('geomerative')
+
+linhas = []
+DIST_PONTOS = 4  # na conversão da fonte em polígonos
+RAIO = 100
+texto = "Python/Process/ing+geo/merative"
+tamanho = 100
+x = 10
+y = 120
+
+def setup():
+    size(400, 400)
+    noStroke()
+    RG.init(this)
+    tx = texto.split("/")
+    y_offset = 0
+    for linha in tx:
+        linhas.append(Linha(tamanho, linha, y_offset))
+        y_offset += tamanho * 0.8
+
+def draw():
+
+    background(255)
+    for linha in linhas:
+        fill(0)
+        noStroke()
+        linha.desenhaFormas(x, y)
+
+        # Se quiser mostrar os pontos originais das letras
+        # for v in linha.vertices_base:
+        #     fill(255)
+        #     stroke(0)
+        #     ellipse(x + v.x, y + v.y + linha.ly, 5, 5)
+
+        for v in linha.vertices_visiveis:
+            fill(255)
+            stroke(0)
+            # ajusta para x, y e 'y da linha'
+            vx, vy = x + v.x, y + v.y + linha.ly
+            if mousePressed and mouse_over(vx, vy, 100, 100):
+                fill(255, 0, 0)
+                ellipse(vx, vy, 5, 5)
+                v.x += (mouseX - pmouseX)
+                v.y += (mouseY - pmouseY)
+        # fazendo os vertices voltarem para casa (base)
+        linha.voltaVertices()
+
+def mouse_over(x, y, w, h):
+    return (x - w / 2 < mouseX < x + w / 2 and
+            y - h / 2 < mouseY < y + h / 2)
+
+class Linha:
+
+    def __init__(self, tam, texto, y):
+        self.ly = y
+        letras = []
+        for l in texto:
+            letras.append(RG.getText(l, "Tomorrow_Light.ttf", tam, LEFT))
+
+        RG.setPolygonizer(RG.UNIFORMLENGTH)
+        RG.setPolygonizerLength(DIST_PONTOS)
+
+        self.points = []
+        self.base_points = []
+        for l in letras:
+            self.points.append(l.getPointsInPaths())
+            self.base_points.append(l.getPointsInPaths())
+
+        # ajusta a posição das letras
+        self.tamLetras = [PVector()] * len(texto)
+        self.calcTam(self.points)
+        self.calcTam(self.base_points)
+
+        # produz lista 'planas' dos pontos
+        self.vertices_visiveis = self.listaVertices(self.points)
+        self.vertices_base = self.listaVertices(self.base_points)
+
+    def desenhaFormas(self, sx, sy):
+        glifos = self.points
+        # for i in range(len(pontos)):  # Linha
+        for glifo in glifos:
+            if glifo:
+                beginShape()
+                # path dentro de cada Linha
+                for i_contorno, contorno in enumerate(glifo):
+                    if i_contorno > 0:
+                        beginContour()  # se a Linha tiver olho
+                    # pontos de cada path
+                    for vertice in contorno:
+                        y = vertice.y + sy + self.ly
+                        x = vertice.x + sx
+                        vertex(x, y)
+                    if i_contorno > 0:
+                        endContour()
+                endShape(CLOSE)
+
+    def calcTam(self, glifos):
+        wTotal = 0
+        hTotal = 0
+        for i, glifo in enumerate(glifos):  # Linha
+            wLetra = 0
+            hLetra = 0
+            if glifo:
+                # path dentro de cada Linha
+                for contorno in glifo:
+                    # pontos de cada path
+                    for vertice in contorno:
+                        x = vertice.x
+                        y = vertice.y
+                        if x > wLetra:
+                            wLetra = x
+                        if y > hLetra:
+                            hLetra = y
+                        x += wTotal
+                        vertice.x += wTotal
+            else:
+                wLetra += self.tamLetras[i - 1].x
+            self.tamLetras[i] = PVector(wLetra, hLetra)
+            if hLetra > hTotal:
+                hTotal = hLetra
+            wTotal += wLetra
+
+    def listaVertices(self, glifos):
+        vertices = []
+        for glifo in glifos:
+            if glifo:
+                # path dentro de cada Linha
+                for contorno in glifo:
+                    # pontos de cada path
+                    for vertice in contorno:
+                        vertices.append(vertice)
+        return vertices
+
+    def voltaVertices(self):
+        for base, moved in zip(self.vertices_base, self.vertices_visiveis):
+            if dist(base.x, base.y, moved.x, moved.y) > 0:
+                moved.x += (base.x - moved.x) / 30
+                moved.y += (base.y - moved.y) / 30

README.md

@@ -21,6 +21,12 @@
 
 ---
 
+![sketch_2020_07_11a](2020/sketch_2020_07_11a/sketch_2020_07_11a.gif)
+
+[sketch_2020_07_11a](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_07_11a) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+---
+
 ![sketch_2020_07_10a](2020/sketch_2020_07_10a/sketch_2020_07_10a.gif)
 
 [sketch_2020_07_10a](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_07_10a) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]