examples/3dcam/3dcam.um

import ( 
    "std.um"
    "rl.um"
)

const maxColumns = 20

var cubes: [maxColumns] struct {
    height:   real
    position: rl::Vector3
    color:    rl::Color
}

fn rnd(min, max: real): real {return min + (max - min) * std::frand()}

fn initBodies() {    
    // Generates some random columns
    std::srand(std::time())
    for _, cube^ in cubes {
        cube.height   = rnd(1, 12);
        cube.position = {rnd(-15, 15), cube.height / 2, rnd(-15, 15)}
        cube.color    = {round(rnd(40, 150)), round(rnd(40, 60)), 40, 255}
    }
}

fn drawBodies() {
    // Draw ground
    rl::drawPlane({0, 0, 0}, {32, 32}, {50, 100, 50, 255})

    // Draw walls
    rl::drawCube({-16, 2.5,   0}, 1, 5, 32, { 90,  90,  90, 255})
    rl::drawCube({ 16, 2.5,   0}, 1, 5, 32, { 90,  90,  90, 255})
    rl::drawCube({  0, 2.5, -16}, 32, 5, 1, {120, 120, 120, 255})
    rl::drawCube({  0, 2.5,  16}, 32, 5, 1, {120, 120, 120, 255})    
                
    // Draw columns
    for _, cube in cubes {
        rl::drawCube(cube.position, 2, cube.height, 2, cube.color)
    }
}