Stop and move. Draw by openFrameworks – プログラミング de 落描き

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RGBの残像。

RGB afterimage.

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#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	ofMesh frame;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh frame;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofNoFill();
	ofSetLineWidth(3);
	//ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

//--------------------------------------------------------------
void ofApp::update() {

	
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();

	ofSeedRandom(39);

	this->frame.clear();
	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	for (int len = 100; len <= 400; len += 150) {

		for (int i = 0; i < color_list.size(); i++) {

			auto noise_x = ofNoise(noise_seed.x, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);
			auto noise_y = ofNoise(noise_seed.y, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);
			auto noise_z = ofNoise(noise_seed.z, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

			if (noise_x < 0.2) { noise_x = 0; }
			else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); }
			else if (noise_x < 0.6) { noise_x = 0.5; }
			else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); }
			else { noise_x = 1; }

			if (noise_y < 0.2) { noise_y = 0; }
			else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); }
			else if (noise_y < 0.6) { noise_y = 0.5; }
			else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); }
			else { noise_y = 1; }

			if (noise_z < 0.2) { noise_z = 0; }
			else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); }
			else if (noise_z < 0.6) { noise_z = 0.5; }
			else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); }
			else { noise_z = 1; }

			auto angle_x = ofMap(noise_x, 0, 1, -90, 90);
			auto angle_y = ofMap(noise_y, 0, 1, -90, 90);
			auto angle_z = ofMap(noise_z, 0, 1, -90, 90);

			ofSetColor(color_list[i]);

			ofPushMatrix();
			//ofRotateZ(angle_z);
			ofRotateY(angle_y);
			ofRotateX(angle_x);

			ofDrawBox(len);

			ofPopMatrix();
		}
	}

	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofNoFill();

ofSetLineWidth(3);

//ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofSeedRandom(39);

this->frame.clear();

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int len = 100; len <= 400; len += 150) {

for (int i = 0; i < color_list.size(); i++) {

auto noise_x = ofNoise(noise_seed.x, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

auto noise_y = ofNoise(noise_seed.y, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

auto noise_z = ofNoise(noise_seed.z, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

if (noise_x < 0.2) { noise_x = 0; }

else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); }

else if (noise_x < 0.6) { noise_x = 0.5; }

else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); }

else { noise_x = 1; }

if (noise_y < 0.2) { noise_y = 0; }

else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); }

else if (noise_y < 0.6) { noise_y = 0.5; }

else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); }

else { noise_y = 1; }

if (noise_z < 0.2) { noise_z = 0; }

else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); }

else if (noise_z < 0.6) { noise_z = 0.5; }

else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); }

else { noise_z = 1; }

auto angle_x = ofMap(noise_x, 0, 1, -90, 90);

auto angle_y = ofMap(noise_y, 0, 1, -90, 90);

auto angle_z = ofMap(noise_z, 0, 1, -90, 90);

ofSetColor(color_list[i]);

ofPushMatrix();

//ofRotateZ(angle_z);

ofRotateY(angle_y);

ofRotateX(angle_x);

ofDrawBox(len);

ofPopMatrix();

}

this->frame.drawWireframe();

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211130

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