![]() t("lensPos", mouseX - offsetX, mouseY - offsetY) ĭrawOutput(offsetX, offsetY, img.width, img. The offsets are needed if the image size is You can also download the sketch in zip format I decided that a good start would be a fisheye lens shader and here is my effort for you to play with. Yesterday I took the plunge and started messing about with the examples that came with Processing. Step 11: Add shadows to fish Now take a lighter color and let's make some shadows! Add shadow to the belly of the fish, and in the areas of the tail that look to you like they're folded inwards.For a long time I have been meaning to investigate shaders with the idea of creating my own.Fill in that iris and give our fish some lips! To do this add a small round line on the outside of the body shape's front end. Step 9: Fill in the fish eye and add a mouth.My 17mm fisheye gives the circular image. Nikon and a few others had if not still have fisheye lenses for 35mm cameras that covered the entire 24x36 mm frame but they only gave the 180° field of view across the 36mm dimension of the frame. Add some lines to all the fins but make sure they're not straight! They should curve following the direction towards the body. Most fisheye lenses yield the circular image because they are creating the 180° in all directions. ![]() Add another curved line on the inside of the eye to map out where the iris is. Step 8: Add details to the fish fin and tail.Now on top of the fish we'll create the dorsal fin! Extending from above the eye, we'll make a squiggly line that gets smaller towards the back where it connects with the body just in front of the tail. Back at the disconnected end, we're going to make the tail by creating a sideways mustache shape. Now at the connected end of the oval draw a large circle. A little past halfway through the oval makes a soft triangle shape as if you were starting to draw a banana. Now from one end of the top curved line, we'll make a second curved line to make an oval leaving the other end disconnected. Step 2: Create another arc to finish the fish body.Step 1: Draw the arc of the fish body.She also has some amazing prints and illustrations available in her shop. ![]() This step by step process was shared by check out her social if you enjoyed her illustrations. Now take a lighter color and let’s make some shadows!Īdd shadow to the belly of the fish, and in the areas of the tail that look to you like they’re folded inwards.įinally, two small gills a bit behind the eye and we have our cute little fish! Step 10: Add highlights to eyeĪdd some highlights to the eyes! Step 11: Add shadows to fish To do this add a small round line on the outside of the body shape’s front end. Step 9: Fill in the fish eye and add mouthįill in that iris and give our fish some lips! ![]() They should curve following the direction towards the body. Step 8: Add details to the fish fin and tailĪdd another curved line on the inside of the eye to map out where the iris is.Īdd some lines to all the fins but make sure they’re not straight! Now on top of the fish, we’ll create the dorsal fin!Įxtending from above the eye, we’ll make a squiggly line that gets smaller towards the back where it connects with the body just in front of the tail.Īlmost like a rooster crown! Step 7: Erase overlapping linesĮrase the overlapping lines on the fin. Step 5: Draw the fish tailīack at the disconnected end we’re going to make the tail by creating a sideways mustache shape. Step 3: Draw the fish finĪ little past half way through the oval make a soft triangle shape as if you were starting to draw a banana. Now from one end of the top curved line, we’ll make a second curved line to make an oval leaving the other end disconnected. Step 2: Create another arc to finish the fish body
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