{"id":67962,"date":"2021-10-17T23:22:10","date_gmt":"2021-10-18T03:22:10","guid":{"rendered":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/?p=67962"},"modified":"2021-10-31T14:42:43","modified_gmt":"2021-10-31T18:42:43","slug":"project-07-composition-with-curves-10","status":"publish","type":"post","link":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/2021\/10\/17\/project-07-composition-with-curves-10\/","title":{"rendered":"Project 07: Composition with Curves"},"content":{"rendered":"\n

sketch<\/a><\/iframe><pre class=\"language-javascript\"><code class=\"p5_editor language-javascript\">function setup() {\n createCanvas(400, 400);\n background(220);\n}\n\nfunction draw() {\n background(0);\n \/\/moves epicycloid to center\n translate(width \/ 2, height \/ 2);\n epicycloid();\n}\n\nfunction epicycloid() {\n \/\/ https:\/\/mathworld.wolfram.com\/EpicycloidInvolute.html\n var x;\n var y;\n var a = map(mouseX, 0, width, 300, 80);\n var b = map(mouseY, 0, height, 100, 10);\n strokeWeight(2); \/\/line weight\n stroke(10, mouseX, mouseY); \/\/ color of epicycloid\n noFill();\n\n \/\/epicycloid\n beginShape();\n for (var i = 0; i <= 500; i ++) {\n var theta = map(i, 0, 500, 0, TWO_PI);\n x = (a + b) * cos(theta) - b * cos((a + b \/ b) * theta);\n y = (a + b) * cos(theta) - b * sin((a + b \/ b) * theta);\n vertex(x, y);\n }\n endShape();\n}<\/code><\/pre><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"788\" height=\"786\" src=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.33-PM.png\" alt=\"\" class=\"wp-image-67964\" srcset=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.33-PM.png 788w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.33-PM-300x300.png 300w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.33-PM-150x150.png 150w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.33-PM-768x766.png 768w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\"><\/figure><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"786\" height=\"790\" src=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.50-PM.png\" alt=\"\" class=\"wp-image-67965\" srcset=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.50-PM.png 786w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.50-PM-298x300.png 298w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.50-PM-150x150.png 150w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.50-PM-768x772.png 768w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\"><\/figure><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"792\" height=\"788\" src=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.59-PM.png\" alt=\"\" class=\"wp-image-67966\" srcset=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.59-PM.png 792w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.59-PM-300x298.png 300w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.59-PM-150x150.png 150w, https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-content\/uploads\/2021\/10\/Screen-Shot-2021-10-17-at-11.01.59-PM-768x764.png 768w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\"><\/figure><p>I think that the hardest part of this project was trying to find a curve on the website that was in parametric form. Figuring out how to make that formula more dynamic in this composition was also difficult. The curve that I ended up choosing was an epicycloid. In the way that I wrote the code, I like how it can be very simple with just a few circles but as the user moves the mouse, it create more interesting shapes which is really fun.<\/p><\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p>I think that the hardest part of this project was trying to find a curve on the website that was in parametric form. Figuring out how to make that formula more dynamic in this composition was also difficult. The curve that I ended up choosing was an epicycloid. In the way that I wrote the … <a href=\"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/2021\/10\/17\/project-07-composition-with-curves-10\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> “Project 07: Composition with Curves”<\/span><\/a><\/p>\n","protected":false},"author":653,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[109,58],"tags":[],"_links":{"self":[{"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/posts\/67962"}],"collection":[{"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/users\/653"}],"replies":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/comments?post=67962"}],"version-history":[{"count":4,"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/posts\/67962\/revisions"}],"predecessor-version":[{"id":67975,"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/posts\/67962\/revisions\/67975"}],"wp:attachment":[{"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/media?parent=67962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/categories?post=67962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/15-104\/f2021\/wp-json\/wp\/v2\/tags?post=67962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}