Update 'sfml/main.cpp'
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@ -4,8 +4,10 @@
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#define SCREEN_HEIGHT 216
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#define SCREEN_WIDTH 384
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#define GET_POS(x) ((abs(x)+x)/2)
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#define SEG_WIDTH 90
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const float CH_H = 3;
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const float CH_W = 1.5;
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float CH_HY = 1; //0->flat
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sf::Color gray = sf::Color(84, 90, 112);
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sf::Color lightgray = sf::Color(183, 187, 201);
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@ -65,11 +67,19 @@ void gen_road(struct Road* road, float zm = 1) {
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road->segments[14] = seg(0, 180, 70, 90, 20, gray);
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road->segments[15] = seg(0, 178, 75, 90, 20, gray);
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/*pillar*/
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road->segments[16] = seg(-20, 185, 80, 130, 70, lightgray);
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road->segments[17] = seg(-20, 138, 80, 47, 70, lightgray);
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road->segments[18] = seg(63, 138, 80, 47, 70, lightgray);
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road->segments[19] = seg(63, 117, 80, 47, 30, red);
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road->segments[20] = seg(-20, 117, 80, 47, 30, red);
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float s = SEG_WIDTH - 80 / CH_H;
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float w31 = 155 * (s / SEG_WIDTH);
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float h31 = 70 * (s / SEG_WIDTH);
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float w30 = 90 * (s / SEG_WIDTH);
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float y31 = 178+7; //yes i know simple arithmetics
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float h32 = 30 * (s / SEG_WIDTH);
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/*pillar*/
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road->segments[16] = seg((w31 - w30) / -2, y31, 80, 155, 70, lightgray);
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road->segments[17] = seg((w31 - w30) / -2, y31 - h31, 80, 33, 70, lightgray);
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road->segments[18] = seg(w30, y31-h31, 80, 33, 70, lightgray);
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road->segments[19] = seg(w30, y31-h31-h32, 80, 33, 30, red);
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road->segments[20] = seg((w31 - w30) / -2, y31-h31-h32, 80, 33, 30, red);
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/*pillar*/
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/*pillar*/
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road->segments[21] = seg(0, 175, 80, 90, 20, gray);
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road->segments[22] = seg(0, 175, 80, 90, 20, gray);
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@ -82,54 +92,39 @@ void gen_road(struct Road* road, float zm = 1) {
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road->segments[29] = seg(0, 190, 115, 90, 20, gray);
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road->segments[30] = seg(0, 190, 120, 90, 20, gray);
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/*pillar*/
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road->segments[31] = seg(-20, 197, 120, 127, 70, lightgray);
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road->segments[32] = seg(-20, 160, 120, 57, 90, lightgray);
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road->segments[33] = seg(50, 160, 120, 57, 70, lightgray);
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road->segments[34] = seg(50, 139, 120, 57, 60, red);
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road->segments[35] = seg(-20, 139, 120, 57, 60, red);
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s = SEG_WIDTH - 120 / CH_H;
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w31 = 155 * (s / SEG_WIDTH);
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h31 = 70 * (s / SEG_WIDTH);
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w30 = 90 * (s / SEG_WIDTH);
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y31 = 190 + 7; //yes i know simple arithmetics
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h32 = 30 * (s / SEG_WIDTH);
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road->segments[31] = seg((w31-w30) / -2, y31, 120, 155, 70, lightgray);
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road->segments[32] = seg((w31 - w30) / -2, y31 - h31, 120, 33, 70, lightgray);
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road->segments[33] = seg(w30, y31 - h31, 120, 33, 70, lightgray);
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road->segments[34] = seg(w30, (y31 - h31) - h32, 120, 33, 30, red);
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road->segments[35] = seg((w31 - w30) / -2, (y31 - h31) - h32, 120, 33, 30, red);
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/*pillar*/
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road->segments[36] = seg(0, 190, 125, 90, 20, gray);
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road->segments[37] = seg(0, 190, 130, 90, 20, gray);
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road->segments[38] = seg(0, 190, 135, 90, 20, gray);
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road->segments[39] = seg(0, 190, 140, 90, 20, gray);
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road->segments[40] = seg(0, 190, 145, 90, 20, gray);
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}
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}
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int get_visible_segments(struct Road* road, struct Segment** tochange, float zm = 2) {
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struct Segment* visible = (struct Segment*)malloc(road->height * sizeof(struct Segment));
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int visible_length = 0;
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for (int v = 0; v <= road->height; v++) {
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float s = road->segments[v].width - (v) * (zm);
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float yoffset = road->segments[v].y - road->segments[v].z + road->playery;
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float heightoffset = road->segment_height * (s / road->width);
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if (yoffset > 0 && yoffset - heightoffset < SCREEN_HEIGHT) {
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visible[visible_length] = road->segments[v];
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visible_length++;
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}
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}
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*tochange = (struct Segment*) realloc(*tochange, sizeof(struct Segment) * visible_length);
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for (int v = 0; v < visible_length; v++) {
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(*tochange)[v] = visible[v];
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}
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return visible_length;
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}
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void draw_road(sf::RenderWindow* window, struct Road* road, float zm = 2) {
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int i = 0;
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float s;
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float s, sy;
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for (int v = road->height - 1;v >= 0;v--) { //draws each rectangle from furthest to closest
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int seg_width = 90;
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s = seg_width - road->segments[v].z / CH_H;
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float widthoffset = road->segments[v].width - road->segments[v].z / CH_H;
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float heightoffset = road->segments[v].height * (s / seg_width);
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s = SEG_WIDTH - road->segments[v].z / CH_H;
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float widthoffset = road->segments[v].width * (s / SEG_WIDTH);
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float heightoffset = road->segments[v].height * (s / SEG_WIDTH);
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float xoffset = ((road->segments[v].x + SCREEN_WIDTH / 2) - s / 2) - road->playerx * s;
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float yoffset = road->segments[v].y - road->segments[v].z * CH_HY + road->playery;
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sf::RectangleShape rs(sf::Vector2f(widthoffset, heightoffset)); //makes a rectangle of width s and height relative to z position
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rs.setFillColor(road->segments[v].colour);
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//rs.setOutlineThickness(1);
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//rs.setOutlineColor(sf::Color(250, 150, 100));
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float xoffset = ((road->segments[v].x + 192) - s / 2) - (road->playerx * s); //display x position of rectangle (based on z and x axis)
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float yoffset = road->segments[v].y - road->segments[v].z + road->playery; //display y position of rectangle (based on z and y axis)
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//float xoffset = ((road->segments[v].x + SCREEN_WIDTH/2) - s) - road->playerx * s;
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rs.setPosition(xoffset, yoffset);
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window->draw(rs); //displays the rectangle
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if (road->segments[v].colour == gray) {
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@ -145,12 +140,12 @@ void draw_road(sf::RenderWindow* window, struct Road* road, float zm = 2) {
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int main() {
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sf::RenderWindow window(sf::VideoMode(SCREEN_WIDTH, SCREEN_HEIGHT), "KraD");
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struct Road road;
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road.height = 41;
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road.playerx = 0;
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road.playery = 0;
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road.width = 100;
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road.starty = 160;
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road.segment_height = 30;
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road.height = 41;
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road.segments = (struct Segment*)malloc(road.height * sizeof(struct Segment));
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gen_road(&road, CH_H); //2nd param = change rate of height
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sf::Clock clock;
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@ -187,16 +182,21 @@ int main() {
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}
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else if (sf::Keyboard::isKeyPressed(sf::Keyboard::W))
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{
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road.playery -= 300 * dt;
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road.playery -= 100 * dt; //300
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CH_HY -= 5/3 * dt;
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}
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else if (sf::Keyboard::isKeyPressed(sf::Keyboard::S))
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{
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road.playery += 300 * dt;
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road.playery += 100 * dt;
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CH_HY += 5/3 * dt;
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}
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else if (event.key.code == sf::Keyboard::F) {
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struct Segment* visible = (struct Segment*)malloc(sizeof(struct Segment)); //only for initialization
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int visible_len = get_visible_segments(&road, &visible, CH_H);
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printf("%d", visible_len);
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else if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
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{
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road.playery -= 300 * dt;
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}
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else if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
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{
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road.playery += 300 * dt;
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}
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window.clear(sf::Color(0, 191, 255));
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draw_road(&window, &road, CH_W); //3rd param = change rate of width
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