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package phenax.extensions
import org.openrndr.*
import org.openrndr.color.*
import org.openrndr.draw.*
import org.openrndr.math.Vector3
import phenax.utils.recordingEnabled
enum class ActionType {
PAN,
LIGHT_MOVE
}
class CameraManager : Extension {
override var enabled: Boolean = true
public var cameraPosition: Vector3 = Vector3(0.0, 1.0, 0.0)
public var lightPosition: Vector3 = Vector3(1.0, 2.0, 1.0)
var font: FontImageMap? = null
var actionType: ActionType? = null
var lastPos: Vector3? = null
override fun setup(program: Program) {
if (recordingEnabled) return
font = program.loadFont("data/fonts/default.otf", 16.0)
program.keyboard.keyDown.listen { if (it.key == KEY_ESCAPE) program.application.exit() }
program.mouse.moved.listen {
val dimens = Vector3(program.width.toDouble(), program.height.toDouble(), 1.0)
val pos = (Vector3(it.position.x, -it.position.y, 0.0) - dimens / 2.0).div(dimens)
if (actionType == ActionType.PAN) {
lastPos?.let { lastPos -> cameraPosition -= (pos - lastPos) }
} else if (actionType == ActionType.LIGHT_MOVE) {
lastPos?.let { lastPos -> lightPosition += (pos - lastPos) }
}
actionType?.let { lastPos = pos }
}
program.mouse.buttonDown.listen {
val isCtrl = KeyModifier.CTRL in it.modifiers
actionType = if (isCtrl) ActionType.LIGHT_MOVE else ActionType.PAN
}
program.mouse.scrolled.listen {
val isCtrl = KeyModifier.CTRL in it.modifiers
if (isCtrl) {
lightPosition += Vector3(0.0, 0.0, it.rotation.y * 0.1)
} else {
cameraPosition += Vector3(0.0, 0.0, it.rotation.y * 0.1)
}
}
program.mouse.buttonUp.listen {
actionType = null
lastPos = null
}
}
fun setUniforms(cs: ComputeShader) {
cs.uniform("camera_position", cameraPosition)
cs.uniform("primary_light_position", lightPosition)
}
override fun beforeDraw(drawer: Drawer, program: Program) {}
override fun afterDraw(drawer: Drawer, program: Program) {
if (recordingEnabled) return
drawer.fontMap = font
drawer.fill = ColorRGBa.WHITE
drawer.text(
"C: %.2f %.2f %.2f".format(cameraPosition.x, cameraPosition.y, cameraPosition.z),
8.0,
16.0
)
drawer.text(
"L: %.2f %.2f %.2f".format(lightPosition.x, lightPosition.y, lightPosition.z),
8.0,
32.0
)
}
}
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