rect – ページ 7 – プログラミング de 落描き

2020年9月23日2020年9月23日

Changing Shapes. Draw by openFrameworks

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[ About ]
変形する図形。

Changing Shapes.

[ Source ]

#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) {};

	void setShapeToMesh(ofMesh& mesh_target, ofMesh& frame_target, glm::vec3 location, float len, int param_start, int param_end, ofColor face_color, ofColor frame_color);
	glm::vec2 make_point(int len, int param);

	vector<ofMesh> face_list, frame_list;
};

#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) {};

void setShapeToMesh(ofMesh& mesh_target, ofMesh& frame_target, glm::vec3 location, float len, int param_start, int param_end, ofColor face_color, ofColor frame_color);

glm::vec2 make_point(int len, int param);

vector<ofMesh> face_list, frame_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);

	this->face_list.clear();
	this->frame_list.clear();

	for (int x = -180; x <= 180; x += 360) {

		for (int y = -180; y <= 180; y += 360) {

			float noise_seed_1 = ofRandom(1000);
			float noise_seed_2 = ofRandom(1000);

			for (int i = 0; i < 150; i++) {

				int param_start = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.003 + i * 0.001), 0, 1, 0, 200);
				int param_end = param_start + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.003 + i * 0.001), 0, 1, 25, 50);

				ofMesh face, frame;
				frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
				this->setShapeToMesh(face, frame, glm::vec3(x, y, 0), 350, param_start, param_end, ofColor(ofMap(i, 0, 150, 200, 39)), ofColor(ofMap(i, 0, 150, 78, 239)));

				this->face_list.push_back(face);
				this->frame_list.push_back(frame);
			}
		}
	}

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	for (int i = 0; i < this->face_list.size(); i++) {

		this->face_list[i].drawFaces();
		this->frame_list[i].drawWireframe();
	}
}

//--------------------------------------------------------------
void ofApp::setShapeToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float len, int param_start, int param_end, ofColor face_color, ofColor frame_color) {

	vector<glm::vec3> vertices;
	vertices.push_back(location + this->make_point(len, param_start));
	for (int param = param_start; param < param_end; param++) {

		if (param % 25 == 0) { vertices.push_back(location + this->make_point(len, param)); }
	}
	vertices.push_back(location + this->make_point(len, param_end));

	face_target.addVertices(vertices);
	frame_target.addVertices(vertices);

	face_target.addIndex(0); face_target.addIndex(1); face_target.addIndex(2);
	for (int i = 2; i < face_target.getNumVertices() - 1; i++) {

		face_target.addIndex(0); face_target.addIndex(i); face_target.addIndex(i + 1);
	}

	for (int i = 0; i <frame_target.getNumVertices() - 1; i++) {

		frame_target.addIndex(i); frame_target.addIndex(i + 1);
	}

	frame_target.addIndex(0); frame_target.addIndex(face_target.getNumVertices() - 1);	


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

		face_target.addColor(face_color);
		frame_target.addColor(frame_color);
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_list.clear();

this->frame_list.clear();

for (int x = -180; x <= 180; x += 360) {

for (int y = -180; y <= 180; y += 360) {

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

for (int i = 0; i < 150; i++) {

int param_start = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.003 + i * 0.001), 0, 1, 0, 200);

int param_end = param_start + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.003 + i * 0.001), 0, 1, 25, 50);

ofMesh face, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

this->setShapeToMesh(face, frame, glm::vec3(x, y, 0), 350, param_start, param_end, ofColor(ofMap(i, 0, 150, 200, 39)), ofColor(ofMap(i, 0, 150, 78, 239)));

this->face_list.push_back(face);

this->frame_list.push_back(frame);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (int i = 0; i < this->face_list.size(); i++) {

this->face_list[i].drawFaces();

this->frame_list[i].drawWireframe();

}

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

void ofApp::setShapeToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float len, int param_start, int param_end, ofColor face_color, ofColor frame_color) {

vector<glm::vec3> vertices;

vertices.push_back(location + this->make_point(len, param_start));

for (int param = param_start; param < param_end; param++) {

if (param % 25 == 0) { vertices.push_back(location + this->make_point(len, param)); }

}

vertices.push_back(location + this->make_point(len, param_end));

face_target.addVertices(vertices);

frame_target.addVertices(vertices);

face_target.addIndex(0); face_target.addIndex(1); face_target.addIndex(2);

for (int i = 2; i < face_target.getNumVertices() - 1; i++) {

face_target.addIndex(0); face_target.addIndex(i); face_target.addIndex(i + 1);

}

for (int i = 0; i <frame_target.getNumVertices() - 1; i++) {

frame_target.addIndex(i); frame_target.addIndex(i + 1);

}

frame_target.addIndex(0); frame_target.addIndex(face_target.getNumVertices() - 1);

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200923

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2020年9月20日2020年9月20日

Multicolored rectangle. Draw by openFrameworks

[ Video ]

[ About ]
マルチカラー四角形。

Multicolored rectangle.

[ Source ]

#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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec2 make_point(int len, int param);
};

#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 mouseEntered(int x, int y) {};

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	ofColor color;
	vector<int> hex_list = { 0xee6352, 0x59cd90, 0x3fa7d6, 0xfac05e, 0xf79d84 };
	vector<ofColor> color_list;
	for (auto hex : hex_list) {

		color.setHex(hex);
		color_list.push_back(color);
	}

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	auto width = 60;
	auto color_flag = true;
	auto param_start = ofGetFrameNum() * 0.5;

	for (auto len = 100; len < ofGetWidth() - 100; len += width) {

		param_start += 10;
		int color_index = 0;
		for (auto param = param_start; param < param_start + 100; param += 20) {

			vector<glm::vec2> in;
			vector<glm::vec2> out;
			for (auto tmp_param = param; tmp_param <= param + 10; tmp_param++) {

				in.push_back(this->make_point(len, tmp_param));
				out.push_back(this->make_point(len + width, tmp_param));
			}

			reverse(out.begin(), out.end());

			ofFill();
			ofSetColor(color_list[color_index]);

			ofBeginShape();
			ofVertices(in);
			ofVertices(out);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(239);

			ofBeginShape();
			ofVertices(in);
			ofVertices(out);
			ofEndShape(true);

			color_index++;
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofColor color;

vector<int> hex_list = { 0xee6352, 0x59cd90, 0x3fa7d6, 0xfac05e, 0xf79d84 };

vector<ofColor> color_list;

for (auto hex : hex_list) {

color.setHex(hex);

color_list.push_back(color);

}

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

auto width = 60;

auto color_flag = true;

auto param_start = ofGetFrameNum() * 0.5;

for (auto len = 100; len < ofGetWidth() - 100; len += width) {

param_start += 10;

int color_index = 0;

for (auto param = param_start; param < param_start + 100; param += 20) {

vector<glm::vec2> in;

vector<glm::vec2> out;

for (auto tmp_param = param; tmp_param <= param + 10; tmp_param++) {

in.push_back(this->make_point(len, tmp_param));

out.push_back(this->make_point(len + width, tmp_param));

}

reverse(out.begin(), out.end());

ofFill();

ofSetColor(color_list[color_index]);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

color_index++;

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2020年6月17日2020年6月17日

tiling * noise. Draw by openFrameworks

[ Video ]

[ About ]
tilling * noise.

[ Source ]

#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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
}

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

}

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

	int span = 15;
	for (int x = 0; x < ofGetWidth(); x += span) {

		for (int y = 0; y < ofGetHeight(); y += span) {

			auto noise_value = ofNoise(x * 0.01, y * 0.01 + ofGetFrameNum() * 0.035);

			if (y > ofGetHeight() * 0.85) {
			
				noise_value += ofMap(y, ofGetHeight() * 0.85, ofGetHeight(), 0.25, 1);
			}
			else if (y > ofGetHeight() * 0.65) {

				noise_value += ofMap(y, ofGetHeight() * 0.65, ofGetHeight() * 0.85, 0, 0.25);
			}
			else if(y < ofGetHeight() * 0.45){

				noise_value += ofMap(y, 0, ofGetHeight() * 0.45, -0.65, 0);
			}

			if (noise_value > 0.3) {
				
				ofDrawRectangle(glm::vec2(x, y), span - 2, span - 2);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 15;

for (int x = 0; x < ofGetWidth(); x += span) {

for (int y = 0; y < ofGetHeight(); y += span) {

auto noise_value = ofNoise(x * 0.01, y * 0.01 + ofGetFrameNum() * 0.035);

if (y > ofGetHeight() * 0.85) {

noise_value += ofMap(y, ofGetHeight() * 0.85, ofGetHeight(), 0.25, 1);

}

else if (y > ofGetHeight() * 0.65) {

noise_value += ofMap(y, ofGetHeight() * 0.65, ofGetHeight() * 0.85, 0, 0.25);

}

else if(y < ofGetHeight() * 0.45){

noise_value += ofMap(y, 0, ofGetHeight() * 0.45, -0.65, 0);

}

if (noise_value > 0.3) {

ofDrawRectangle(glm::vec2(x, y), span - 2, span - 2);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200617

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